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

namespace yukicoder_207
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] n = Console.ReadLine().Split(' ');
            int a = int.Parse(n[0]);
            int b = int.Parse(n[1]);
            for (int i = a; i <= b; i++)
            {
                if (i % 3 == 0 || i % 10 == 3||i/10==3)
                {
                    Console.WriteLine(i);
                }
                else
                {
                    int q = 0;
                    int[] s = new int[9];
                    for (int p = 1; p <= 9; p++)
                    {
                        s[p - 1] = i % (int)Math.Pow(p, 10);
                    }
                    for (int r = 1; r <= 9; r++) 
                    {
                        if (s[r - 1] / (int)Math.Pow(r, 10)==3)
                        {
                            q++;
                        }
                    }
                    if (q > 0)
                    {
                        Console.WriteLine(i);
                    }
                    
                }
            }
            Console.ReadLine();
        }
    }
}