year= int(input("Enter the year that you wish to check for: "))
if ((year%4)==0):
   if((year%100)==0):
      if((year%400)==0):
          print("The year is a leap year")
      else :
          print("The year is not a leap year")
   else :
      print("The year is a leap year")
else :
   print("The year is not a leap year")