using System;
using System.Linq;

namespace No207
{
    class Program
    {
        static void Main(string[] args)
        {
            var AB = Console.ReadLine().Split(' ').Select(i => int.Parse(i)).ToArray();
            var A = AB[0];
            var B = AB[1];

            var result = Enumerable.Range(A, B - A + 1)
                .Where(i => i % 3 == 0
                    || i.ToString().Contains("3"));

            foreach (var r in result) Console.WriteLine(r);
        }
    }
}