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

namespace sekainonantoka
{
    class Program
    {
        static void Main(string[] args)
        {
            var str0 = Console.ReadLine().Split(' ');
            var start = int.Parse(str0[0]);
            var end = int.Parse(str0[1]);

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