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

namespace yukicoder
{
    class yc
    {
        static void Main()
        {
            long a, b;
            string[] str = Console.ReadLine().Split(' ');

            a = long.Parse(str[0]);
            b = long.Parse(str[1]);

            while (a <= b)
            {
                if (a % 3 == 0) Console.WriteLine(a);
                else if (a.ToString().IndexOf('3') != -1)
                    Console.WriteLine(a);
                a++;
            }
        }
    }
}