using System;
using System.Collections.Generic;
using System.Linq;
using static System.Console;

class Program
{
    static void Main()
    {
        var ab = ReadLine().Split().Select(int.Parse).ToArray();
        foreach (var i in Enumerable.Range(ab[0], ab[1] - ab[0] + 1).Where(x => x % 3 == 0 || x.ToString().Contains('3')))
        {
            WriteLine(i);
        }
    }
}