#include<stdio.h>
struct  {int year;int month;int day;
}date;
int main(){int days;printf("输入年月日：\n");scanf("%d,%d,%d",&date.year,&date.month,&date.day);switch(date.month){case 1:days=date.day; break;case 2:days=date.day+31; break;case 3:days=date.day+59; break;case 4:days=date.day+90; break;case 5:days=date.day+120; break;case 6:days=date.day+151; break;case 7:days=date.day+181; break;case 8:days=date.day+212; break;case 9:days=date.day+243; break;case 10:days=date.day+273; break;case 11:days=date.day+304; break;case 12:days=date.day+334; break;}if((date.year%4==0&&date.year%100!=0||date.year%400==0)&&date.month>=3){days=days+1;}printf("%d年%d月%d日是%d年的第%d天",date.year,date.month,date.day,date.year,days);
}