#include <bits/stdc++.h>
#define endl '\n'

using ll = long long;

constexpr int N = 2e5 + 10;
constexpr int mod = 998244353;

using namespace std;

void solve(){
	int x, y;
	cin >> x >> y;
	if (x == 0 && y == 0) {
		cout << 4 << endl;
		return;
	}
	if (x == 0 && y == 1) {
		cout << 4 << endl;
		return;
	}
	if (x == 0 && y == 2) {
		cout << 6 << endl;
		return;
	}
	if (x == 1 && y == 0) {
		cout << 3 << endl;
		return;
	}
	if (x == 1 && y == 1) {
		cout << 3 << endl;
		return;
	}
	if (x == 1 && y == 2) {
		cout << 4 << endl;
		return;
	}
	if (x == 2 && y == 0) {
		cout << 2 << endl;
		return;
	}
	if (x == 2 && y == 1) {
		cout << 2 << endl;
		return;
	}
	if (x == 2 && y == 2) {
		cout << 2 << endl;
		return;
	}
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1;
    //cin >> t;
    while(t--) solve();
    return 0;
}