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

namespace yukicoderTest
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] input = Console.ReadLine().Split(' ');
            int start = int.Parse(input[0]);
            int end = int.Parse(input[1]);
            for (int i = start; i <= end; i++)
            {
                if (i % 3 == 0|| i.ToString().IndexOf('3') >= 0)
                {
                    Console.WriteLine(i);
                }
                
            }
        }

    }
}