using System;
using System.Collections.Generic;
namespace yuki560
{
    class Problem
    {

        public static List<string[]> getinputdata (){

            List<string[]> list_temp = new List<string[]>();
            string strdata = Console.ReadLine ();

            while (strdata!=null) {

                string[] s_temp = strdata.Split (' ');

                list_temp.Add (s_temp);

                strdata = Console.ReadLine ();

            }

            return list_temp;
        }


        public static void Main (string[] args)
        {
            List<string[]> list_result = new List<string[]>();
            list_result = getinputdata ();

            int a = int.Parse(list_result[0][0]);
            int b = int.Parse(list_result[0][1]);

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

        }
    }
}