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

int main() {
    int x, y;
    cin >> x >> y;
    map<pair<int, int>, int> mp;
    mp[{1, 0}] = 1;
    mp[{0, 1}] = 1;
    mp[{1, 1}] = 1;
    mp[{2, 0}] = 2;
    mp[{0, 2}] = 2;
    mp[{2, 1}] = 2;
    mp[{1, 2}] = 2;
    mp[{2, 2}] = 2;
    int ans = 0;
    do {
        ans += mp[{x, y}];
        ++x;
    } while (x <= 2);
    cout << ans << endl;
    return 0;
}