import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class Organ {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int y = in.nextInt();

        int[] fac = new int[]{1,1,2,6,24,120,720,5040,40320,362880};

        ArrayList<Integer> indexes = new ArrayList<>();
        for (int i = fac.length - 1; i >= 0; i--) {
            while (y - fac[i] >= 0) {
                indexes.add(i);
                y -= fac[i];
            }
        }

        Collections.sort(indexes);
        for (Integer i : indexes) {
            System.out.print(i);
        }
        System.out.println();
    }
}