#include <iostream>
#include <cmath>
#include <iomanip>
#include <algorithm>
#define ll long long
#define PI 3.141592653
using namespace std;

void Anwar_Rizk(){
  ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
  #ifndef ONLINE_JUDGE    // Anwar Rizk 🥇🖤
    freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
  #endif
}

int main()
{   Anwar_Rizk();

    int n;
    cin >> n;


  return 0;
}