start.cpp

#include <bits/stdc++.h>
/* #include <algorithm> // special functions */
/* #include <cmath> */
/* #include <iostream> */
/* #include <map> */
/* #include <set> */
/* #include <string> */
/* #include <vector> */

#define pb push_back
#define in insert
#define all(x) x.begin(), x.end()
#define ll long long

using namespace std;

ll n, m, h, k, p, q, t, a, b, c, d, e, x, y, z;
signed main() {
  ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  vector<ll> v;
  cin >> n >> m;

  return 0;
}