#inclsude <iostream>
#include <fstream>
#include <vector>

using namespace std;

#define cin input
#define cout output

ifstream input("D:/CP/input.txt");
ofstream output("D:/CP/output.txt");

void solve()
{
    
}

int main() {
    int t = 1; //cin >> t;
    while (t--) solve();

    input.close();
    output.close();

    return 0;
}