from math import *
def DATE(j,m,a,jj,mm,aa):
  if (m<=2):
   d1=365*a+((a-1)//4)+(31*(m-1))-((a-1)//100)+((a-1)//400)+j
   d2=d1-694325
   d3=365*aa+((aa-1)//4)+(31*(mm-1))-((aa-1)//100)+((aa-1)//400)+jj
   d4=d3-694325
   r=d4-d2
  else:
   d1=365*a+(a//4)+(31*(m-1))-(((m-1)*0.4)+2.7)-(a//100)+(a//400)+j
   d2=d1-694325
   d3=365*aa+(aa//4)+(31*(mm-1))-(((mm-1)*0.4)+2.7)-(aa//100)+(aa//400)+jj
   d4=d3-694325
   r=d4-d2
  print("Nombre de jours=",r)
  print("Soit en ans=",ceil(r//365))
  
def JS(j,m,a):
  if (m<=2):
   d1=365*a+((a-1)//4)+(31*(m-1))-((a-1)//100)+((a-1)//400)+j
   
  else:
   d1=365*a+(a//4)+(31*(m-1))-(((m-1)*0.4)+2.7)-(a//100)+(a//400)+j
   d2=ceil(d1-(7*int(d1//7)))
   if d2==0:
      print("\n Samedi",j,"/",m,"/",a)
   elif d2==1:
          print("\n Dimanche",j,"/",m,"/",a)
   elif d2==2:
          print("\n Lundi",j,"/",m,"/",a)
   elif d2==3:
          print("\n Mardi",j,"/",m,"/",a)
   elif d2==4:
           print("\n Mercredi",j,"/",m,"/",a)
   elif d2==5:
          print("\n Jeudi",j,"/",m,"/",a)
   elif d2==6:
          print("\n Vendredi",j,"/",m,"/",a)
   else:
           print("erreur")