习题 1-7 是否是闰年？

关于闰年，更详细的看看下面：
http://baike.baidu.com/link?url=JnQYNvikYZYb5izKtCDy5AQMOXXWaj1Y7exCun_0_0Euyhu9Kvcx491cYXOoLufF6wwlQQUge7QoP7kXDOZYkolbP-tKxeS-xIuHYpfra7m

1950-2050年间的闰年：
1952,1956,1960,1964,1968,1972,1976,1980,1984,1988,1992,1996,2000
,2004,2008,2012,2016,2020,2024,2028,2032,2036,2040,2044,2048.

#include<stdio.h>int main(){    int year;    scanf("%d", &year);    if(year%400==0 || (year%100!=0 && year%4==0)){        printf("yes\n");    }    else{        printf("no\n");    }    return 0;}