三日坊主

/*   1990 1 1       ，    ；
      ，          */
#include"stdio.h"
struct time
{
    int year;
    int month;
    int day;
};
int main()
{   int sumday=0;
    struct time times;
    printf("Give your year:");
    scanf("%d",×.year);
    printf("Give your month:");
    scanf("%d",×.month);
    printf("Give your day:");
    scanf("%d",×.day);
    int i;
    for(i=1990;i2&×.year%4==0&×.year%100!=0||times.year%400==0)
        sumday=sumday+29;
    else if(times.month>2)
        sumday=sumday+28;
    sumday=sumday+times.day;
    if(sumday%5<=3&&sumday%5>=1)
        printf("  
");
    else
        printf("  
");
    return 0;


}