#include<iostream>

#include<cstdio>

#include<cstring>

#include<string>

#include<algorithm>

#include<cstdlib>

#include<cmath>

using namespace std;

int y,m,d;

int main()

{

    while(scanf("%d%d%d",&y,&m,&d)!=EOF)

    {

          if(m<3)

          y-=1,m+=12;

          printf("%d",(d+2*m+3*(m+1)/5+y+y/4-y/100+y/400+1)%7);

    }

    return 0;

}

泰勒公式