using System;

public class Program

{

    public static void Main()

    {

        int num, rem, reverse_num, temp, start, end;

        start=int.Parse(Console.ReadLine());

        end=int.Parse(Console.ReadLine());

        for(num=start;num<=end;num++)

        {

            temp=num;

            reverse_num=0;

            while(temp>0)

            {

                rem=temp%10;

                temp=temp/10;

                reverse_num=reverse_num*10+rem;

            }

        if(num==reverse_num)

         Console.Write(num+" ");

        }       

    }

}