using System.Text;
using System;

public class Hello
{
    public static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var a = int.Parse(line[0]);
        var b = int.Parse(line[1]);
        var sb = new StringBuilder();
        for (int i = a; i <= b; i++)
            if (i % 3 == 0 | i.ToString().Contains("3"))
                sb.Append(string.Format("{0}\n", i.ToString()));
        Console.WriteLine(sb);
    }
}