%d .%year. (e.g.2008)都代表什么？

year=int(raw_input("please inout the year(e.g.2008):"))

if (year%100==0 and year%400==0) or （year%100！=0 and   year%4==0)）:

    print "%d is leap year"%year

else:

      print "%d is not leap year"%year