Template code:

//#pragma GCC optimize("03,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
using namespace std;
#define el '\n'
#define v vector
#define fi first
#define se second
#define ll long long
#define pb push_back
#define ui unsigned int
#define ul unsigned ll
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define hi ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file(name)  freopen(name".inp","r",stdin);freopen(name".out","w",stdout);
#define vectorcin(name, len) vector<int> name(len); for (auto &_ : name) cin >> _;
#define vectorcout(v) for (auto _ : v) cout << _ << " "; cout << endl;
signed main() {
    hi
    //file("")

    return 0;
}