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#include <bits/stdc++.h>

//#define endl '\n'
//#define int long long
//#define N 1003
#define fi first
#define se second
#define si(x) (int)(x.size())
#define all(x) x.begin(),x.end()
#define debug cout<<"*******\n";
using namespace std;

typedef pair<int, int> PII;

void solve() {

}

signed main() {
cin.tie(nullptr), cout.tie(nullptr);
ios::sync_with_stdio(false);
cout.precision(10);
cout << fixed;
int T = 1;
// cin>>T;
while (T--) solve();

return 0;
}