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

const int MIN_N = 1;
const int MAX_N = 33;

const int MIN_A = 3;
const int MAX_A = 35;

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

    const int N = inf.readInt(MIN_N, MAX_N, "N");
    inf.readEoln();
    std::vector<int> A(N);
    for (int i = 0; i < N; ++i) {
        A[i] = inf.readInt(MIN_A, MAX_A, "A_i");
        if (i + 1 == N) {
            inf.readEoln();
        } else {
            inf.readSpace();
        }
    }
    inf.readEof();
    std::set<int> s2(A.begin(), A.end());
    assert(s2.size() == N);
    std::cout << "validator" << std::endl;

    return 0;
}