#include "testlib.h"
#include <iostream>
#include <cassert>

const long long MIN_N = 1;
const long long MAX_N = 1000000000000000000LL;

int main(int argc, char** argv) {
    registerValidation(argc, argv);

    inf.readLong(MIN_N, MAX_N, "N");
    inf.readEoln();
    inf.readEof();

    return 0;
}