#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll myRand(ll B) {
    return (ull)rng() % B;
}
inline double time() {
    return static_cast<long double>(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()) * 1e-9;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int x,y; cin >> x >> y;
    int res = 0;
    while (x <= 2) {
        if (x == 0 and y == 0) {
            x += 1;
            res += 1;
        }
        else if (x == 1 and y == 0) {
            x += 1;
            res += 1;
        }
        else if (x == 0 and y == 1) {
            x += 1;
            res += 1;
        }
        else if (x == 2 and y == 0) {
            x += 1;
            res += 2;
        }
        else if (x == 1 and y == 1) {
            x += 1;
            res += 1;
        }
        else if (x == 0 and y == 2) {
            x += 1;
            res += 2;
        }
        else if (x == 2 and y == 1) {
            x += 1;
            res += 2;
        }
        else if (x == 1 and y == 2) {
            x += 1;
            res += 2;
        }
        else {
            x += 2;
            res += 2;
        }
    }
    cout << res << endl;
}