# LeapYear Example
# Classify a year as leap year or not a leap year 
# according to the Gregorian calendar. 

# Input and classify year
year = int(input("Enter a year: "))

if year % 4 != 0:
    is_leap_year = False
  
elif year % 400 == 0:
    is_leap_year = True
  
elif year % 100 == 0:
    is_leap_year = False
  
else:
    is_leap_year = True

# Print output
if is_leap_year:
    print("The year", year, "is a leap year.")
    
else:
    print("The year ", year, "is not a leap year.")