#include <bits/stdc++.h>
using namespace std;
#define forr(i,a,b) for(int i = int(a); i < int(b); ++i)
#define forn(i,n) forr(i,0,n)
#define fst first
#define snd second
#define pb push_back
using ll = long long;
using pii = pair<int, int>;
void solve();
int main() {
int t = 1;
// cin >> t; // si hay multiples casos de prueba
forn(_, t) solve();
}
void solve() {
// implementar aca
}
https://github.com/francoderico/la-pandilla/blob/main/src/template.cpp