#include <bits/stdc++.h>
using namespace std;

int main() {
  int x, y;
  cin >> x >> y;
  if ((x + 4) % 12 != y) {
    cout << (x + 4) % 12 << endl;
    return 0;
  }
  if ((x + 8) % 12 != y) {
    cout << (x + 8) % 12 << endl;
    return 0;
  }
}