#include<stdio.h>
int main()
{
int year;
printf("请输入年份:");
scanf("%d",&year);
if(year<=0){
printf("非法数据");}
else if((year%400==0)||((year%100!=0)&&(year%4==0))) {
printf("%d年份是闰年",year);}
else{
printf("%d年份是平年",year);}
return 0;
}