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

namespace yukicoder
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = Console.ReadLine();
            string[] t = s.Split(' ');
            long a = int.Parse(t[0]);
            long b = int.Parse(t[1]);
            
            for(long i = a;i <= b; i++)
            {
                if(i%3 ==0 || i.ToString().Contains("3"))
                {
                    Console.WriteLine(i);
                }
            }
            
        
        }

    }
}