Leap Year

[MartinEvtimov]

def get_year():
   print("Please input year:")
   year = int(input())
   return year

def if_else(year):
   if (year % 4 == 0):
     print("It's a leap year")
   elif (year % 400 == 0):
     print("It's a leap year")
   elif (year % 100 == 0):
     print("It's not a leap year")
   else:
     print("There is an error")

def main():
   years = get_year()
   if_else(years)

   


when I input 2400(not a leap year) it says that its a leap year :( Please help