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

namespace ConsoleApplication1
{
	class Program
	{
		static IEnumerable<ulong> Generate(ulong[] value)
		{
			for (var i = value[0]; i <= value[1]; i++)
			{
				yield return i;
			}
		}

		static void Main(string[] args)
		{
			var elem = Console.ReadLine().Split(' ').Select(x => ulong.Parse(x)).ToArray();

			foreach (var i in Generate(elem).Where(x => x%3 == 0 || x.ToString().Contains('3')))
				Console.WriteLine(i);
		}
	}
}