/*
validation
*/

#include <bits/stdc++.h>

#include "testlib.h"

using ll = long long;

const ll MIN = 2, MAX = 1'000'000'000;

int main() {
    registerValidation();
    ll h = inf.readLong(MIN, MAX);
    inf.readSpace();
    inf.readEof();
    return 0;
}