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

namespace No207
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var inputs = Console.ReadLine().Split().Select(long.Parse).ToArray();

            for (long i = inputs[0]; i <= inputs[1]; i++)
            {
                if (i%3 == 0 || i.ToString().IndexOf("3")>=0)
                {
                    Console.WriteLine(i);
                }
            }
        }
    }
}