#include<bits/stdc++.h>
using namespace std;
#define rep(i,x,y) for (int i=(x);i<=(y);++i)
#define per(i,x,y) for (int i=(x);i>=(y);--i)
typedef long long ll;
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;
	}
	if (x == 1) {
		if (y == 0) cout << 3;
		if (y == 1) cout << 3;
		if (y == 2) cout << 4;
	}
	if (x == 2) {
		cout << 2;
	}
	return;
}
int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int t = 1;
//	cin >> t;
	while (t--) solve();
	return 0;
}