#include <stdio.h>
#include <stdlib.h>
int main()
{ int a,b;
printf("输入所要查询的年月a,b:");
scanf("%d,%d",&a,&b);
if(a%4==0&&a%100!=0||a%400==0)
{while(b==1||b==3||b==5||b==7||b==8||b==10||b==12)
printf("所查询月份天数为31天");
while(b==4||b==6||b==9||b==11)
printf("所查询月份天数为30天");
while(b==2)
printf("所查询月份天数为29天");
}
else
{while(b==1||b==3||b==5||b==7||b==8||b==10||b==12)
printf("所查询月份天数为31天");
while(b==4||b==6||b==9||b==11)
printf("所查询月份天数为30天");
while(b==2)
printf("所查询月份天数为28天");
}
return 0;
}