using System;

public class Program
{
  static void Main()
  {
    string AB = Console.ReadLine();
    string A_ = "";
    int i = 0;

    while (AB.Substring(i,1) != " ")
    {
      A_ = A_ + AB.Substring(i, 1);
      i++;
    }
    int A = Convert.ToInt32(A_);
    int B = Convert.ToInt32(AB.Substring(i + 1));
    int N = B - A;

    if (N >= 0 && N <= 100)
    {
      for (int d = A; d < B + 1; d++)
      {
        string d_ = d.ToString();
        if (d % 3 == 0)
        {
          Console.WriteLine(d.ToString());
          continue;
        }
        else if(d_.IndexOf("3") >= 0)
        {
          Console.WriteLine(d.ToString());
        }
      }
    }
    
  }
}