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

namespace TestConsole
{
    class Program
    {
        static void Main(string[] args)
        {
            var readArray = Console.ReadLine().Split();
            int start = int.Parse(readArray[0]);
            int end = int.Parse(readArray[1]);

            for (int i = start; i <= end; i++)
            {
                if (i % 3 == 0 || i.ToString().Contains("3"))
                {
                    Console.WriteLine(i);
                }
            }
        }
    }
}