#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
	int year, month, day;
	int days[13] = { 0,31,28,31,30,31,30,31,31,30,31,30,31 };
	printf("请输入年份：");			scanf("%d", &year);
	printf("请输入月份：");			scanf("%d", &month);
	if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
		day = (month == 2) ? 29 : days[month];
	else
		day = days[month];
	printf("%d年%d月有%d日\n ", year, month, day);
}