#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define fi first
#define se second
#define all(a) a.begin(),a.end()
int main(){
  int x,y;
  cin >> x >> y;
  if(x>y) swap(x,y);
  if(y-x==4) cout << (y+4)%12 << "\n";
  else cout << x+4 << "\n";
  return 0;
}