Leap Year check in python programming

#Alamgir Hossain, CSE, JUST#Leap year check in python programming-----------
year = input("Enter the year : ")

if year%400==0:
    print "The year is leap year."elif year%4==0:
    if year%100!=0:
        print "The year is Leap year."    else:
        print "The year is Not Leap Year."else:
    print "The year is Not Leap Year!!!"