diff --git a/models/account_move.py b/models/account_move.py
index 55b6291..a3bb1e4 100755
--- a/models/account_move.py
+++ b/models/account_move.py
@@ -17,7 +17,7 @@ class AccountMove(models.Model):
     date_compta=fields.Datetime('date import',default=False)
     date_compta_out_refund=fields.Datetime('date import',default=False)
     out_invoice_id=fields.Many2one('account.move' ,ondelete="cascade",domain="[('partner_id','=',partner_id),('move_type','=','out_invoice'),('state','!=','paid')]")
-
+    
     def _compute_description(self):
         
         for a in self:
diff --git a/models/accounting_file.py b/models/accounting_file.py
index 8975826..f3945a2 100755
--- a/models/accounting_file.py
+++ b/models/accounting_file.py
@@ -9,5 +9,6 @@ class accounting_file(models.Model):
     accounting_file = fields.Binary('accounting file', readonly=True)
     document_fname=fields.Char(default='undefined')
     exported_date=fields.Date(string='Exported Date',tracking=True, readonly=True)
+    start_date=fields.Date(string='Start Date',tracking=True, readonly=True)
     
     
\ No newline at end of file
diff --git a/models/event_registration.py b/models/event_registration.py
index eef05c4..1a1dfe0 100755
--- a/models/event_registration.py
+++ b/models/event_registration.py
@@ -16,6 +16,95 @@ class EventRegistration(models.Model):
     headphone=fields.Boolean('headphone')
     date_compta=fields.Datetime('date import',default=False)
     date_compta_down_payment=fields.Datetime('date import down payment',default=False)
+                   
+    date_payment=fields.Date('date payment',compute='_compute_event_date_payment')
+    date_payment_down_payment=fields.Date('date payment down payment',compute='_compute_event_date_payment_down_payment')
+    date_payment_balance=fields.Date('date payment balance',compute='_compute_event_date_payment_balance')
+    date_payment_end_of_stay=fields.Date('date payment end of stay',compute='_compute_event_date_payment_end_of_stay')
+
+    def _compute_event_date_payment(self):
+         for rec in self:
+              if not rec.booking_event:
+                   if rec.invoice_id.invoice_payments_widget:
+                        payment_info=json.loads(rec.invoice_id.invoice_payments_widget)
+                        if payment_info:
+                            rec.date_payment= payment_info['content'][0]['date']
+
+                        else:
+                            rec.date_payment=False
+                   else: rec.date_payment=False
+              #booking event
+              else:
+                   if rec.invoice_id:
+                        if rec.invoice_id.invoice_payments_widget:
+                            payment_info=json.loads(rec.invoice_id.invoice_payments_widget)
+                            if payment_info:
+                                rec.date_payment= payment_info['content'][0]['date']
+                            else : rec.date_payment=False
+                        else :rec.date_payment=False
+                   else:
+                        rec.date_payment=False
+    def _compute_event_date_payment_down_payment(self):
+         for rec in self:
+              if not rec.booking_event:
+                        rec.date_payment_down_payment=False
+              else:
+                   
+                   if rec.down_payment_invoice_id:
+                        if rec.down_payment_invoice_id.invoice_payments_widget:
+                            payment_info=json.loads(rec.down_payment_invoice_id.invoice_payments_widget)
+                            if payment_info:
+                                rec.date_payment_down_payment= payment_info['content'][0]['date']
+                            else : rec.date_payment_down_payment=False
+                        else :rec.date_payment_down_payment=False
+                   else:
+                        rec.date_payment_down_payment=False
+    def _compute_event_date_payment_balance(self):
+         for rec in self:
+              if not rec.booking_event:
+                        rec.date_payment_balance=False
+              else:
+                   
+                   if rec.balance_invoice_id:
+                        if rec.balance_invoice_id.invoice_payments_widget:
+                            payment_info=json.loads(rec.balance_invoice_id.invoice_payments_widget)
+                            if payment_info:
+                                rec.date_payment_balance= payment_info['content'][0]['date']
+                            else : rec.date_payment_balance=False
+                        else :rec.date_payment_balance=False
+                   else:
+                        rec.date_payment_balance=False
+    def _compute_event_date_payment_end_of_stay(self):
+         for rec in self:
+              if not rec.booking_event:
+                        rec.date_payment_end_of_stay=False
+              else:
+                   
+                   if rec.end_of_stay_invoice_id:
+                        if rec.end_of_stay_invoice_id.invoice_payments_widget:
+                            payment_info=json.loads(rec.end_of_stay_invoice_id.invoice_payments_widget)
+                            if payment_info:
+                                rec.date_payment_end_of_stay= payment_info['content'][0]['date']
+                            else : rec.date_payment_end_of_stay=False
+                        else :rec.date_payment_end_of_stay=False
+                   else:
+                        rec.date_payment_end_of_stay=False
+
+    def action_cancel(self):
+        self.write({'state': 'cancel'})
+        #annulation des factures non payées
+        # if self.invoice_id :
+        #     if self.invoice_id.payment_state!='paid':
+        #          self.invoice_id.button_draft()
+        # if self.down_payment_invoice_id :
+        #     if self.down_payment_invoice_id.payment_state!='paid':
+        #          self.down_payment_invoice_id.button_draft()
+        
+        #création d'un avoir pour les factures déjà réglées
+        # if self.down_payment_invoice_id :
+        #     if self.down_payment_invoice_id.payment_state=='paid':
+        #          self.down_payment_invoice_id.button_draft()
+
 
     def create(self,vals):
 
diff --git a/views/account.xml b/views/account.xml
index 224e62a..a772215 100644
--- a/views/account.xml
+++ b/views/account.xml
@@ -34,6 +34,7 @@
         <field name="arch" type="xml">
         <xpath expr="//field[@name='partner_id']" position="after">
         <field  string="Out invoice" name="out_invoice_id" attrs="{'invisible': [('move_type', '!=', 'out_refund')]}"/>
+        <field  string="Date export compta" name="date_compta"/>
         </xpath>
         </field>
 </record>
diff --git a/views/accounting_file.xml b/views/accounting_file.xml
index b574610..d333092 100755
--- a/views/accounting_file.xml
+++ b/views/accounting_file.xml
@@ -8,6 +8,7 @@
         <tree default_order='create_date desc'>
           
           <field name="create_date"/>
+          <field name="start_date"/>
           <field name="exported_date"/>
           
         </tree>
@@ -29,6 +30,7 @@
           <field name="create_uid"/>
           <field name="accounting_file"  filename="document_fname" widget="binary"/>
           <field name="document_fname" invisible="1"/>
+          <field name="start_date"/>
           <field name="exported_date"/>
           </group>
           
diff --git a/views/booking_event_registration.xml b/views/booking_event_registration.xml
index 9b63d37..9e05109 100755
--- a/views/booking_event_registration.xml
+++ b/views/booking_event_registration.xml
@@ -129,8 +129,15 @@
 
             <xpath expr="//group[@name='event']" position="after">
                 <group string="Payments" name="payments">
+                                
                                 <field name="down_payment" attrs="{'invisible':[('booking_event','!=',True)]}"/> 
                                 <field name="payment_adjustement" style="color:red" attrs="{'invisible':[('booking_event','!=',True)]}"/>  
+                                <field name="date_payment" attrs="{'invisible':[('invoice_id','=',False)]}"/>
+                                <field name="date_payment_down_payment" attrs="{'invisible':['|',('invoice_id','=',True),('booking_event','!=',True)]}"/>
+                                <field name="date_payment_balance" attrs="{'invisible':['|',('invoice_id','=',True),('booking_event','!=',True)]}"/>
+                                <field name="date_payment_end_of_stay" attrs="{'invisible':[('booking_event','!=',True)]}"/>
+
+
                                 <field name="invoice_id"/>
                                 <field name="end_of_stay_invoice_id" attrs="{'invisible':[('booking_event','!=',True)]}"/>
                                 <field name="down_payment_invoice_id" attrs="{'invisible':[('booking_event','!=',True)]}"/>
diff --git a/views/event_registration.xml b/views/event_registration.xml
index 140748f..57ab1d5 100755
--- a/views/event_registration.xml
+++ b/views/event_registration.xml
@@ -28,6 +28,7 @@
 
                 
             </xpath>
+            
         </field>
 </record>
 
diff --git a/wizard/accounting_file_wizard.py b/wizard/accounting_file_wizard.py
index bbd6b09..5dc05c9 100644
--- a/wizard/accounting_file_wizard.py
+++ b/wizard/accounting_file_wizard.py
@@ -12,6 +12,7 @@ code_journal='IN'
 date_compta=fields.datetime.now()
 total_debit=total_credit=0
 no_mvt=1
+debug=True
 
 class AccountingFileWizard(models.TransientModel):
     _name = 'accounting.file.wizard'
@@ -58,24 +59,25 @@ class AccountingFileWizard(models.TransientModel):
         total_credit=0
 
         #debug
-        donation=self.env['donation.donation'].search([])
-        for d in donation:
-            d.date_compta=False
-        membership=self.env['kalachakra.membership'].search([])
-        for m in membership:
-            m.date_compta=False
-        reg=self.env['event.registration'].search([])
-        for r in reg:
-            r.date_compta=False
-            r.date_compta_down_payment=False
-        invoices=self.env['account.move'].search([])
-        for i in invoices:
-            i.date_compta_out_refund=False
-            i.date_compta=False
-        
+        # if debug:
+        #     donation=self.env['donation.donation'].search([])
+        #     for d in donation:
+        #         d.date_compta=False
+        #     membership=self.env['kalachakra.membership'].search([])
+        #     for m in membership:
+        #         m.date_compta=False
+        #     reg=self.env['event.registration'].search([])
+        #     for r in reg:
+        #         r.date_compta=False
+        #         r.date_compta_down_payment=False
+        #     invoices=self.env['account.move'].search([])
+        #     for i in invoices:
+        #         i.date_compta_out_refund=False
+        #         i.date_compta=False
+        # return True
 
         tmstp=secrets.token_hex(16)
-        filename='/tmp/accounting_file_'+tmstp+'.txt'
+        filename='/tmp/accounting_file_'+tmstp+'.csv'
         f = open(filename, "a")
 
         
@@ -97,7 +99,7 @@ class AccountingFileWizard(models.TransientModel):
         self.membership_lines(f)
         self.event_lines(f)
         self.booking_event_lines(f)
-        #self.out_refund_lines(f)
+        self.out_refund_lines(f)
         fic_line="TOTAL_DEBIT="+str(total_debit)+ " TOTAL CREDIT="+str(total_credit)
         f.write(fic_line)
         
@@ -107,8 +109,9 @@ class AccountingFileWizard(models.TransientModel):
         #raise UserError('gg'+f.read())
         vals={}
         vals['accounting_file']=base64.encodebytes(data)
-        vals['document_fname']='export_comptable.txt'
+        vals['document_fname']='export_comptable.csv'
         vals['exported_date']=fields.Date.context_today(self)
+        vals['start_date']=self.start_date
         res=self.env['accounting.file'].create(vals)
         f.close
         os.unlink(filename)
@@ -165,11 +168,18 @@ class AccountingFileWizard(models.TransientModel):
         donation=self.env['donation.donation'].search([('date_compta','=',False),('state','=','done')])
         #raise UserError(donation)
         for d in donation:
-            if datetime(d.donation_date.year, d.donation_date.month, d.donation_date.day)<self.start_date:continue
+            date_payment=d.donation_date
+            #recherche de la date de paiement du don
+            trans=self.env['payment.transaction'].search([('donation_ids','in',d.id),('state','=','done')],limit=1)
+            if trans : date_payment=trans.date.date()
+
+            #if datetime(d.donation_date.year, d.donation_date.month, d.donation_date.day)<self.start_date:continue
+            if date_payment<self.start_date.date():continue
+            date_payment=self._date_format(date_payment)
             #on ne prend pas en compte les dons liés à une retraite
             #car traité avec les retraites
             if d.invoice_id: continue
-            d.date_compta=date_compta
+            if not debug: d.date_compta=date_compta
             #if not d.payment_mode_id: raise UserError(_("no payment mode found for donation %r ",donation.number))
             #if not d.payment_mode_id.fixed_journal_id: raise UserError(_("no account found for payment mode  %r",d.payment_mode_id.name))
             account_debit_number=self._file_format(str(d.payment_mode_id.fixed_journal_id.default_account_id.code),6)
@@ -187,6 +197,7 @@ class AccountingFileWizard(models.TransientModel):
             #lib1=lib1[11]
             
             date_line=self._date_format(d.donation_date)
+            if trans : date_line=self._date_format(str(trans.date.year)+'-'+str(trans.date.month)+'-'+str(trans.date.day))
             #recherche de la transaction
             lib_piece=self._file_format(d.number,20)
             pt=self.env['payment.transaction'].search([('donation_ids','in',d.id)],limit=1)
@@ -224,8 +235,9 @@ class AccountingFileWizard(models.TransientModel):
         #écritures pour les ADHESIONS réglées non déjà exportés
         membership=self.env['kalachakra.membership'].search([('date_compta','=',False),('state','=','done')])
         for m in membership:
-            m.date_compta=date_compta
+           
             if datetime(m.start_date.year,m.start_date.month,m.start_date.day)<self.start_date:continue
+            if not debug: m.date_compta=date_compta
             #on ne prend pas en compte les adhésions liés à une retraite
             #car traité avec les retraites
             if m.balance_invoice_id: continue
@@ -294,11 +306,15 @@ class AccountingFileWizard(models.TransientModel):
         
         
         registration=self.env['event.registration'].search([('date_compta','=',False),('payment_status','=','paid'),('event_id.booking_event','=',False),('event_id.individual_booking_event','=',False)])
+        
         if registration:
             for reg in registration:
+               
+                
+                if reg.date_payment and reg.date_payment<self.start_date.date(): continue
                 membership_credit_line=False
                 membership_amount=0
-                reg.date_compta=date_compta
+                if not debug: reg.date_compta=date_compta
                 #if not reg.invoice_id.payment_mode_id.fixed_journal_id: raise UserError(_("no account found for payment mode %r",reg.invoice_id.payment_mode_id))
                 account_debit_number=self._file_format(str(reg.invoice_id.payment_mode_id.fixed_journal_id.default_account_id.code),6)
                 if not reg.invoice_id.payment_mode_id :
@@ -317,8 +333,8 @@ class AccountingFileWizard(models.TransientModel):
                 lib1=self._file_format(lib1,12)
                 #date du paiement
                 
-                if self._payment_date_date(reg.invoice_id):continue
-                date_line=self._payment_date(reg.invoice_id)
+                #if self._payment_date_date(reg.invoice_id):continue
+                date_line=self._date_format(reg.date_payment)
                 
                 if reg.invoice_id.amount_total==0: continue
                 if reg.invoice_id.payment_state!='paid': continue
@@ -389,8 +405,10 @@ class AccountingFileWizard(models.TransientModel):
                 
                 #si pas de facture d'acompte et facture payée:
                 if not reg.down_payment_invoice_id and reg.invoice_id.payment_state=='paid' and reg.date_compta==False :
+                    
                     _logger.error('CC1')
-                    reg.date_compta=date_compta
+                    if reg.date_payment and reg.date_payment<self.start_date.date(): continue
+                    if not debug: reg.date_compta=date_compta
                     case_line=1
                     down_payment=False
                     balance_payment=False
@@ -419,17 +437,19 @@ class AccountingFileWizard(models.TransientModel):
                         donation_credit_line=True
                         for d in donations:
                             donation_amount+=d.amount_total
-                    if self._payment_date_date(reg.invoice_id):continue
                     
-                    date_line=self._payment_date(reg.invoice_id)
+                    
+                    date_line=self._date_format(reg.date_payment)
                     
                     trans=self.env['payment.transaction'].search([('state','=','done'),('invoice_ids','in',reg.invoice_id.id)],limit=1)
                
                 #si facture d'acompte payée et solde payée et pas encore exportée :
                 elif reg.down_payment_invoice_id.payment_state=='paid' and reg.balance_invoice_id.payment_state=='paid' and not reg.date_compta_down_payment and not reg.date_compta  :
+                    
                     _logger.error('CC2 '+'date_compta='+str(reg.date_compta)+' date_compta_down_payment='+str(reg.date_compta_down_payment))
+                    if reg.date_payment_balance and reg.date_payment_balance<self.start_date.date(): continue
                     case_line=2
-                    reg.date_compta=date_compta
+                    if not debug: reg.date_compta=date_compta
                     down_payment=True   
                     balance_payment=True
                     membership_amount=0
@@ -441,11 +461,12 @@ class AccountingFileWizard(models.TransientModel):
                     
                     trans=self.env['payment.transaction'].search([('invoice_ids','in',reg.down_payment_invoice_id.id),('state','=','done')],limit=1)
                     if trans and trans.acquirer_id.name=='Paypal': account_debit_number=self._file_format(str(self.env['account.payment.mode'].search([('name','=','Paypal')]).fixed_journal_id.default_account_id.code),6)
+                    if trans and trans.acquirer_id.name=='Paiement par carte bancaire': account_debit_number=self._file_format(str(self.env['account.payment.mode'].search([('name','=','CB')]).fixed_journal_id.default_account_id.code),6)
 
                     amount=reg.down_payment_invoice_id.amount_total+reg.balance_invoice_id.amount_total
                     
-                    if self._payment_date_date(reg.balance_invoice_id):continue
-                    date_line=self._payment_date(reg.balance_invoice_id)
+                    
+                    date_line=self._date_format(reg.date_payment_balance)
                     
                     #recherche de l'adhésion
                     
@@ -468,8 +489,9 @@ class AccountingFileWizard(models.TransientModel):
                 #si facture d'acompte payée pas encore exporté et solde non payée :
                 elif reg.down_payment_invoice_id.payment_state=='paid' and not reg.date_compta_down_payment and reg.balance_invoice_id.payment_state!='paid':
                     _logger.error('CC3')
+                    if reg.date_payment_down_payment and reg.date_payment_down_payment<self.start_date.date(): continue
                     case_line=3
-                    reg.date_compta_down_payment=date_compta
+                    if not debug: reg.date_compta_down_payment=date_compta
                     down_payment=True
                     balance_payment=False
                     donation_credit_line=False
@@ -478,25 +500,26 @@ class AccountingFileWizard(models.TransientModel):
                     account_debit_number=self._file_format(str(reg.down_payment_invoice_id.payment_mode_id.fixed_journal_id.default_account_id.code),6)
                     trans=self.env['payment.transaction'].search([('invoice_ids','in',reg.down_payment_invoice_id.id),('state','=','done')],limit=1)
                     if trans and trans.acquirer_id.name=='Paypal': account_debit_number=self._file_format(str(self.env['account.payment.mode'].search([('name','=','Paypal')]).fixed_journal_id.default_account_id.code),6)
-
+                    if trans and trans.acquirer_id.name=='Paiement par carte bancaire': account_debit_number=self._file_format(str(self.env['account.payment.mode'].search([('name','=','CB')]).fixed_journal_id.default_account_id.code),6)
                     amount=reg.down_payment_invoice_id.amount_total
-                    if self._payment_date_date(reg.down_payment_invoice_id):continue
-                    date_line=self._payment_date(reg.down_payment_invoice_id)
+                   
+                    date_line=self._date_format(reg.date_payment_down_payment)
                     
                     trans=self.env['payment.transaction'].search([('state','=','done'),('invoice_ids','in',reg.down_payment_invoice_id.id)],limit=1)
                 #si facture d'acompte payée et exporté et solde payée pas exporté :
                 elif reg.down_payment_invoice_id.payment_state=='paid' and reg.balance_invoice_id.payment_state=='paid' and reg.date_compta_down_payment and not reg.date_compta:
                     _logger.error('CC4')
+                    if reg.date_payment_balance and reg.date_payment_balance<self.start_date.date(): continue
                     case_line=4
-                    reg.date_compta=date_compta
+                    if not debug: reg.date_compta=date_compta
                     down_payment=False
                     balance_payment=True
                     #if not reg.balance_invoice_id.payment_mode_id.fixed_journal_id: raise UserError(_("no account found payment mode %r",reg.balance_invoice_id.payment_mode_id.name))
                     account_debit_number=self._file_format(str(reg.down_payment_invoice_id.payment_mode_id.fixed_journal_id.default_account_id.code),6)
                     trans=self.env['payment.transaction'].search([('invoice_ids','in',reg.down_payment_invoice_id.id),('state','=','done')],limit=1)
                     if trans and trans.acquirer_id.name=='Paypal': account_debit_number=self._file_format(str(self.env['account.payment.mode'].search([('name','=','Paypal')]).fixed_journal_id.default_account_id.code),6)
-
-                    if self._payment_date_date(reg.balance_invoice_id):continue
+                    if trans and trans.acquirer_id.name=='Paiement par carte bancaire': account_debit_number=self._file_format(str(self.env['account.payment.mode'].search([('name','=','CB')]).fixed_journal_id.default_account_id.code),6)
+                    
                     date_line=self._payment_date(reg.balance_invoice_id)
                     
                     
@@ -610,9 +633,10 @@ class AccountingFileWizard(models.TransientModel):
 
                 #écritures pour la facture complémentaire
                 if reg.end_of_stay_invoice_id and reg.end_of_stay_invoice_id.payment_state=='paid' :
-                    if self._payment_date_date(reg.end_of_stay_invoice_id):continue
+                    if reg.date_payment_end_of_stay and reg.date_payment_end_of_stay<self.start_date.date(): continue
                     date_line=self._payment_date(reg.end_of_stay_invoice_id)
                     #écriture de débit
+                    if not debug: reg.date_compta=date_compta
                     amount=reg.end_of_stay_invoice_id.amount_total
                     if amount==0: continue
                     debit=str(amount)
@@ -640,9 +664,9 @@ class AccountingFileWizard(models.TransientModel):
         global total_credit
         global no_mvt
     #écritures pour les avoirs pas encore utilisés ou payés mais jamais passé en compta
-        out_refund_invoices=self.env['account.move'].search([('move_type','=','out_refund'),('date_compta','=',False),('date_compta_out_refund','=',False)])
+        out_refund_invoices=self.env['account.move'].search([('move_type','=','out_refund'),('state','=','posted'),('payment_state','=','not_paid'),('date_compta','=',False),('date_compta_out_refund','=',False)])
         for invoice in out_refund_invoices:
-            invoice.date_compta_out_refund=date_compta
+            if not debug: invoice.date_compta_out_refund=date_compta
             firstname=invoice.partner_id.firstname
             name=invoice.partner_id.name
             if not name : name='N/A'
@@ -684,10 +708,13 @@ class AccountingFileWizard(models.TransientModel):
         #écritures pour les avoirs qui ont été utilisés
         #écriture Débit 411000 – Crédit 170000
         out_refund_invoices=self.env['account.move'].search([('move_type','=','out_refund'),('payment_state','=','paid'),('date_compta','=',False)])
+        
         for invoice in out_refund_invoices:
-                invoice.date_compta=date_compta
+                _logger.error(invoice.id)
+                if not debug: invoice.date_compta=date_compta
                 firstname=invoice.partner_id.firstname
                 name=invoice.partner_id.name
+                _logger.error(name)
                 if not name : name='N/A'
                 if not firstname: firstname=' '
                 lib1=firstname[0]+' '+name
@@ -706,9 +733,11 @@ class AccountingFileWizard(models.TransientModel):
                 #écriture de débit
                 amount=invoice.amount_total
                 account_debit_number='411000'
+                
                 #date du paiement
-                if self._payment_date_date(invoice.out_invoice_id):continue
-                date_line=self._payment_date(invoice.out_invoice_id)
+                _logger.error(self._payment_date_ok(invoice.out_invoice_id))
+                if not self._payment_date_ok(invoice):continue
+                date_line=self._payment_date(invoice)
                 
 
                 if amount==0: continue
@@ -751,16 +780,19 @@ class AccountingFileWizard(models.TransientModel):
                 return True
         else:return True
 
-    def _payment_date_date(self,move_id):
-        if move_id.invoice_payments_widget:
-            payment_info=json.loads(move_id.invoice_payments_widget)
+    def _payment_date_ok(self,move):
+        if move.invoice_payments_widget:
+            payment_info=json.loads(move.invoice_payments_widget)
+            
             if payment_info:
-                if datetime.strptime(payment_info['content'][0]['date'],'%Y-%m-%d')>self.start_date:
-                    return False
+                _logger.error(payment_info['content'][0]['date'])
+                if datetime.strptime(payment_info['content'][0]['date'],'%Y-%m-%d')>=self.start_date:
+                    return True
             
             else:
-                return True
-        else:return True
+                return False
+        else:
+            return False
 
     def _payment_date(self,move_id):
         if move_id.invoice_payments_widget:
@@ -776,6 +808,8 @@ class AccountingFileWizard(models.TransientModel):
         #_logger.error('date='+str(data))
         if data:
             r=str(data).split('-')
+            if len(r[2])==1:r[2]='0'+r[2]
+            if len(r[1])==1:r[1]='0'+r[1]
             
             return r[2]+'/'+r[1]+'/'+r[0]
         else: