using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

public class Program{
  public static void Main(){
    string[] input = Console.ReadLine().Trim().Split(' ');
    int start = int.Parse(input[0]);
    int count = int.Parse(input[1]) - start;
    var list = Enumerable.Range(start, count).Where(w => w % 3 == 0 || 0 <= w.ToString().IndexOf("3"));
    foreach (var l in list){
        Console.WriteLine(l);
    }
  }
}