using System;
using System.Linq;

class Program {
    static void Main() {
        int[] n = Console.ReadLine().Split().Select(int.Parse).ToArray();
        var seq = Enumerable.Range(n[0], n[1] - n[0] + 1).Where(x => x % 3 == 0 || x.ToString().Contains("3")).ToList();
        seq.ForEach(Console.WriteLine);
    }
}