#include <bits/stdc++.h>

#define rep(i,s,n) for(int i = int(s); i < int(n); i++)
#define rrep(i,s,n) for(int i = int(n) - 1; i >= int(s); i--)
#define all(v) (v).begin(), (v).end()

using ll = long long;
using ull = unsigned long long;
using ld = long double;

template<class T>
bool chmin(T &a, T b) {
    if(a <= b) return false;
    a = b;
    return true;
}

template<class T>
bool chmax(T &a, T b) {
    if(a >= b) return false;
    a = b;
    return true;
}

using namespace std;

int dat[3][3];

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);
    dat[0][0] = 4;
    dat[0][1] = 4;
    dat[0][2] = 6;
    dat[1][0] = 3;
    dat[1][1] = 3;
    dat[1][2] = 4;
    dat[2][0] = 2;
    dat[2][1] = 2;
    dat[2][2] = 2;
    int x, y; cin >> x >> y;
    cout << dat[x][y] << endl;
}