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

namespace yukicoderTest
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] input = Console.ReadLine().Split(' ');
            int start = int.Parse(input[0]);
            int end = int.Parse(input[1]);
            if (end - start < 100)
            {
                for (int i = start; i <= end; i++)
                {
                    string temp = i.ToString();
                    int num = i;
                    if (temp.Length > 2)
                    {
                        temp = temp.Substring(temp.Length - 2, 2);
                        num = int.Parse(temp);
                    }

                    if (num != 0 && num % 3 == 0 || num % 10 == 3 || num / 10 == 3)
                    {
                        Console.WriteLine(i);
                    }

                }
            }
        }

    }
}