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

namespace test20190423
{
    class Program
    {
        static void Main(string[] args)
        {
            var ss = Console.ReadLine().Split(new String[] { " " }, StringSplitOptions.RemoveEmptyEntries).Select(x => int.Parse(x)).ToArray();
            for (int i = ss[0]; i <= ss[1]; i++)
            {
                if (i % 3 == 0) Console.WriteLine(i);
                else if (i.ToString().ToCharArray().Any(x => x == '3')) Console.WriteLine(i);
            }
            Console.ReadLine();
        }
    }
}