#include <stdio.h>
#include <stdlib.h>

int main()
{
    int sum_day(int month,int day);
    int leap(int year);
    int year,month,day,days;
    printf("input data(year month,day):");
    scanf("%d,%d,%d",&year,&month,&day);
    days=sum_day(month,day);
    if(leap(year)&&month>=3)
        days+=1;
    printf("Is the %dth day in this year\n",days);
    return 0;
}
int sum_day(int month ,int day)
{
    int day_tab[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
    int i;
    for (i=1;i<month;i++)

        day+=day_tab[i];
    return(day);
}
int leap(int year)
{
    int leap;
    leap=(((year%4)==0)&&((year%100)!=0)||((year%400)==0));
    return (leap);
}