using System;

public class Program {
    public static void Main() {
        int key = 0;
        int rtn = 0;
        int temp = 0;
        while(temp < 10) {
            Console.WriteLine("{0:0000000000}", key);
            rtn = int.Parse(Console.ReadLine().Split()[0]);
            if (rtn == temp) {
                key += (int)Math.Pow(10, 9-rtn);
            } else {
                rtn = temp+1;
            }
            temp = rtn;
        }
    }
}