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]);
        for (long i = a; i <= b; i++)
        {
            long t = i;
            bool ok = false;
            if (t % 3 == 0) ok = true;
            while (t != 0)
            {
                if (t % 10 == 3) ok = true;
                t /= 10;
            }
            if(ok) Console.WriteLine(i);
        }
    }
}