#include<stdio.h>
#include<string.h>
#include<math.h>
#include<iostream>
#include<algorithm>
#include<queue>
#include<vector>
#include<set>
#include<stack>
#include<string>
#include<sstream>
#include<map>
#include<cctype>
#include<limits.h>
using namespace std;
int main()
{
    int y, m, d, w;
    while(scanf("%d%d%d",&y,&m,&d)!=EOF)
    {
        if(m < 3)
        {
            m += 12;
            --y;
        }
        w =(d+2*m+3*(m+1)/5+y+y/4-y/100+y/400+1)%7;
        printf("%d\n",w);
    }
    return 0;
}