Thông tin
include <bits/stdc++.h>
define ll long long
define Nmax int(1e5)
using namespace std;
int main () {
ios_base::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
#ifndef ONLINE_JUDGE
freopen("Exam.INP", "r", stdin);
freopen("Exam.OUT", "w", stdout);
#endif
return 0;
}