template.cpp

#include<bits/stdc++.h>

using namespace std;
using ll = long long int;
using ull = unsigned long long int;
#define vll vector<ll>

#define FOR(i, b, e) for(int i = (b); i < (e); ++i)
#define REP(i, e) FOR(i, 0, e)
#define SORT(v) sort((v).begin(), (v).end())
#define RSORT(v) sort((v).rbegin(), (v).rend())
#define REV(v) reverse((v).begin(), (v).end())

const ll MOD = 1000000007;

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  
  
  
  return 0;
}