学步园

题目链接：http://bailian.openjudge.cn/practice/2733

# include <stdio.h>

int main()
{
	int a;
	scanf("%d",&a);
	if((a%4==0)&&(a%100!=0)||(a%400==0))
		printf("Y\n");
	else
		printf("N\n");
	return 0;
}