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]);
            for(int i=start;i<=end;i++)
            {
                
                if(i%3==0||i%10==3||i/10==3)
                {
                    Console.WriteLine(i);
                }

            }
        }

    }
}