using System;
public class Program
{
    static void Main()
    {
        long[] ab = ReadLineLong();
        for (long n = ab[0]; n <= ab[1]; n++)
        {
            if (n % 3 == 0)
            {
                Console.WriteLine(n);
            }
            else
            {
                if (n.ToString().Contains("3"))
                {
                    Console.WriteLine(n);
                }
            }
        }
    }

    static long[] ReadLineLong()
    {
        var s = Console.ReadLine() ?? "";
        return s.Split(' ').Select(long.Parse).ToArray();
    }
}