#include <bits/stdc++.h>

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

void solve() {
    cout << 0;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    ll t = 1;
#ifdef LOCAL
    freopen("1.txt", "r", stdin);
    cin >> t;
#endif

    while (t--) solve();
}