#include <bits/stdc++.h>
using namespace std;
#define int long long
void solve() {
    int x,y;cin >> x >> y;
    if(x == 0 && y == 0){cout << 4 << endl;}
    else if(x == 0 && y == 1){cout << 4 << endl;}
    else if(x == 0 && y == 2) {
        cout << 6 << "\n";
    }
    else if(x == 1 && y == 0) {
        cout << 3 << "\n";
    }
    else if(x == 2 && y == 0) {
        cout << 2 << "\n";
    }
    else if(x == 1 && y == 1) {
        cout << 3 << "\n";
    }
    else if(x == 1 && y == 2) {
        cout << 4 << "\n";
    }
    else if(x == 2 && (y == 1 || y == 2)) {
        cout << 2 << "\n";
    }
}

signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int _ = 1;
    //cin >> _;
    while(_--) {
        solve();
    }
}