text: #include <bits/stdc++.h>
  using namespace std;
  
  #define ll long long
  #define pb push_back
  #define pll pair< ll , ll >
  #define vll vector< ll >
  #define vpll vector< pll >
  #define mp make_pair
  #define endl "\n"
  #define all(x) x.begin(), x.end()
  #define fastio ios::sync_with_stdio(false); cin.tie(0);
  #define T int tt; cin>>tt; while(tt--)
  
  int main()
  {
      fastio;   
      
      return 0;
  }