using System;
using System.Linq;

class Program
{
    static void Main(string[] args)
    {
        var input = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToList();
        int A = input[0];
        int B = input[1];

        var list = Enumerable.Range(A, (B - A)+1).ToList();
        list = list.Where(x => x.ToString().Contains("3") || x % 3 == 0).ToList();
        list.ForEach(x => Console.WriteLine(x));
    }
}