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

class Myon
{
    static void Main()
    {
        string[] ss = Console.ReadLine().Split(' ');
        long a = long.Parse(ss[0]);
        long b = long.Parse(ss[1]);
        var ans = Enumerable.Range((int)a, (int)(b - a + 1)).Where(n =>
        {
            if (n % 3 == 0) return true;
            while(n!=0)
            {
                if (n % 10 == 3) return true;
                n /= 10;
            }
            return false;
        });
        foreach (var item in ans)
        {
            Console.WriteLine(item);
        }
    }
}