using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static void Main(string[] args)
    {
        new Program().Run();
    }

    void Run()
    {
        string line;
        while ((line = Console.ReadLine()) != null)
        {
            var parts = line.Split('-');
            RunTest(parts[0], parts[1]);
        }
    }

    void RunTest(string start, string end)
    {
        if (start.Length != end.Length)
            throw new ArgumentException();

        Console.WriteLine("Testing range: {0}-{1}", start, end);

        var results = GetPatterns(start, end);
        foreach(var pattern in results)
            Console.WriteLine(pattern);
    }

    IEnumerable<string> GetPatterns(string start, string end)
    {
        if (start.Length == 0)
        {
            yield return "";
            yield break;
        }
        var startPrefix = start.Substring(0, start.Length - 1);
        var endPrefix = end.Substring(0, end.Length - 1);

        var startSuffix = start.Last();
        var endSuffix = end.Last();

        var rec = GetPatterns(startPrefix, endPrefix).ToList();
        for (int i = 0; i < rec.Count; i++)
        {
            char startDigit = (i == 0) ? startSuffix : '0';
            char endDigit = (i == rec.Count - 1) ? endSuffix : '9';

            if (startDigit == '0' && endDigit == '9')
            {
                yield return rec[i] + '*';
            }
            else
            {
                for (var digit = startDigit; digit <= endDigit; digit++)
                    yield return rec[i] + digit;
            }
        }
    }
}