#include <iostream>
using namespace std;

int main() {
    int a, b;
    cin >> a >> b;
    if(a+b>7){
      if((a+b)%7==0)
      cout<<7<<endl;
      else
       cout<<(a+b)%7<<endl;;
    } 
    else
        cout << a + b << endl;
    return 0;
}
// 64 位输出请用 printf("%lld")