#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll n, K;
    cin >> n >> K;
    assert(n % 2 == 1 || K % 2 == 1);
    cout << 0 << endl;
    return 0;
}