#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();
    }
}
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