勤动脑，多思考，争当最美程序猿~~~
#include <cstdio>
int main() {
int n;
scanf("%d",&n);
if(n%400==0) printf("yes");
else if(n%10==0&&n/10%10==0&&n%400==0) printf("yes");
else if(n%10!=0&&n%4==0||n/10%10!=0&&n%4==0) printf("yes");
else printf("no");
return 0;
}
勤动脑，多思考，争当最美程序猿~~~ 勤动脑，多思考，争当最美程序猿~~~ 勤动脑，多思考，争当最美程序猿~~~ 勤动脑，多思考，争当最美程序猿~~~ 勤动脑，多思考，争当最美程序猿~~~