#include<stdio.h>
//蔡勒公式
int Change(int year, int month, int day)//根据日期判断出星期几
{
   if(month == 1 || month == 2){
       month += 12;
       year--;
   }
   int c = year / 100;
   int y = year % 100;
   int m = month;
   int d = day;
   int W = c / 4 - 2 * c + y + y / 4 + 26 * (m + 1) / 10 + d - 1;
   if(W < 0){
       return (W + (-W/7+1) * 7) % 7;
   }
   return W % 7;
}
int main(){
   int year, month, day;
   while(~scanf("%d%d%d", &year, &month, &day)){
       printf("%d\n", Change(year,month,day));
   }
   return 0;
}