#include<stdio.h>

int main()
{
    int rui[12]={31,29,31,30,31,30,31,31,30,31,30,31};
    int ping[12]={31,28,31,30,31,30,31,31,30,31,30,31};
    int ruiflag=0;
    int day,month,year,sum=0;
    printf("\nplease input year,month,day\n");
    scanf("%d,%d,%d",&year,&month,&day);
    if((year%4==0 &&year%100!=0) || year%400==0) ruiflag=1;
    for(int index=0;index<month-1;index++)
    {
        if(ruiflag==1) sum+=rui[index];else sum+=ping[index];
    }
    sum+=day;
    printf("it is the %d th day.",sum);
    return 0;
}