package cos;

import java.util.*;
import java.util.stream.Collectors;

public class SPOJ {

    public static void main(String[] args) {

        List<Integer> liczby = new ArrayList<>();

        Scanner scanner = new Scanner(System.in);

        int ileLiczb = scanner.nextInt();


            for (int i = 0; i < ileLiczb; i++) {
                liczby.add(scanner.nextInt());
            }
            Collections.reverse(liczby);
            liczby = liczby.stream().distinct().collect(Collectors.toList());
            System.out.println(liczby);
        }

}