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

namespace ConsoleApp18
{
    class Program
    {

        static List<long> list = Console.ReadLine().Split().Select(long.Parse).ToList();
        static long a = list[0];
        static long b = list[1];

        static void Main(string[] args)
        {

            for (long i = a; i <= b; i++)
            {
                 if (i % 3 == 0 || i.ToString().IndexOf("3") >= 0)
                {
                    Console.WriteLine(i);
                }

            }





            Console.ReadLine();
        }
    }
}