# Which year do you want to check?
year = int(input())

# My solution (same as hers)
if year % 4 == 0:
    if year % 100 == 0:
        if(year % 400 == 0):
            print(f"{year} is a Leap Year")
        else:
            print(f"{year} is NOT a Leap Year")
    else:
        print(f"{year} is a Leap Year")
else:
    print(f"{year} is NOT a Leap Year")