#define _CRT_SECURE_NO_WARNINGS 1
 
#include<stdio.h>
int main()
{
	int year = 0;
	printf("请输入年份：");
	scanf("%d",&year);
	if((year%4 == 0) && (year%100!=0) || (year%400 == 0))
	{
		printf("%d是闰年\n",year);
	}
	else
	{
		printf("%d不是闰年\n",year);
	}
	return 0;
}