C++ template:
/**
* author: israk_kayum
**/
#include <bits/stdc++.h>
using namespace std;
// Macros for frequently used commands
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
#define debug(x) cerr << #x << " = " << (x) << endl;
// Typedefs for commonly used data types
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
// Constants
const int MOD = 1e9 + 7;
const int INF = 1e9;
const ll LLINF = 1e18;
// Main function
int main() {
fastio;
// Your code here
return 0;
}