import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] a = new int[9];
        for (int i = 0; i < 9; i++) {
            a[i] = sc.nextInt();
        }
        for (int i = 8; i >= 0; i--) {
            for (int j = 0; j < a[i]; j++) {
                System.out.print(i + 1);
            }
        }
        System.out.println();
    }
}