#include "bits/stdc++.h"
using namespace std;

using ll = long long;
using P = pair<ll, ll>;
const ll INF = (1LL << 61);
ll mod = 998244353;
signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout<<"INF"<<endl;
	return 0;
}