#include <bits/stdc++.h>
using namespace std;
#define ios ios::sync_with_stdio(0), cin.tie(0)
#define int long long
#define ll long long
#define int128 __int128
#define ull unsigned long long
#define endl "\n"
#define pi acos(-1)
#define pii pair<int, int>
const double eps = 1e-6;
const int N = 1e6 + 10, M = 1010, INF = 0x3f3f3f3f;
const int mod = 998244353;

void solve()
{
    int x, y;
    cin >> x >> y;
    if (x == 0)
    {
        if (y == 0)
            cout << 4;
        if (y == 1)
            cout << 4;
        if (y == 2)
            cout << 6;
    }
    else if (x == 1)
    {
        if (y == 0)
            cout << 3;
        if (y == 1)
            cout << 3;
        if (y == 2)
            cout << 4;
    }
    else
    {
        cout << 2;
    }
}
signed main()
{
    ios;
    int T = 1;
    // cout << fixed << setprecision(8);
    for (int i = 1; i <= T; i++)
    {
        // cout << "Case " << i << ": ";
        solve();
    }

    return 0;
}