leap_year_or_not

year = int(input("enter any year :=>"))
if(year%4)==0:
    if(year%100)==0:
        if(year%400)==0:
            print("{0} is a leap year",format(year))
        else:
            print("{0} is not leap year",format(year))
    else:
        print("{0} is leap year",format(year))
else:
    print("{0} is not leap year",format(year))