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

namespace template
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] x = Console.ReadLine().Split().Select(int.Parse).ToArray();
            for (int i = x[0]; i <= x[1]; i++)
            {
                bool flag = false;
                string s = i.ToString();
                for (int j = 0; j < s.Length; j++)
                    if (s[j] == '3') flag = true;
                if (flag || i % 3 == 0) Console.WriteLine(i);
            }
        }
    }
}