IOS

#include <bits/stdc++.h>
#define IOS ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

using namespace std;
using ll = long long;

void solve(){

}

signed main(){
    IOS;
    int t = 1;
//		cin >> t;
    while (t -- ){
        solve();
    }
    return 0;
}