using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

class Program
{
    static void Main(string[] args)
    {
        var AB = Console.ReadLine()
                        .Split(' ')
                        .Select(s=>int.Parse(s))
                        .ToArray();
        var A = AB[0];
        var B = AB[1];

        var numbers = Enumerable.Range(A, B - A + 1)
                                .Where(n=>n.ToString().Contains("3") || n % 3 == 0);

        foreach(var n in numbers)
        {
            Console.WriteLine(n);
        }
    }
}