#include "bits/stdc++.h"
using namespace std;
using ll = long long;
#ifdef LOCAL
#include "debug.h"
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#else
#define debug(...) 42
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#endif
void solve() {
cout << 0 << "\n";
}
signed main(){
#ifdef LOCAL
freopen("test.in", "r", stdin);
freopen("test.err", "w", stderr);
#endif
ios_base::sync_with_stdio(false);
cin.tie(NULL);
signed T = 1;
// cin >> T;
for(signed test = 1; test <= T; ++test){
solve();
}
}
