SpecialNumber

import java.util.Scanner;

public class SpecialNumber {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        int n = Integer.parseInt(sc.nextLine());

        for (int a = 1; a <= 9; a++) {
            for (int b = 1; b <= 9; b++) {
                for (int c = 1; c <= 9; c++) {
                    for (int d = 1; d <= 9; d++) {
                        if (n % a == 0 && n % b == 0 &&
                                n % c == 0 && n % d == 0) {
                            System.out.println(a + "" + b + "" +
                                    c + "" + d);
                        }
                    }
                }
            }
        }
    }
}