using System;
using System.Linq;

class Program
{
    static void Main(string[] args)
    {
        var input = Console.ReadLine().Split(" ");
        var from = Convert.ToInt32(input[0]);
        var to = Convert.ToInt32(input[1]);

        foreach (var i in Enumerable.Range(from, to - from + 1))
        {
            if (i.ToString().IndexOf("3") != -1 ||
                i % 3 == 0)
                Console.WriteLine(i.ToString());
        }
    }
}