using System;
using System.Numerics;

namespace strong_number
{
    class Program
    {
        static void Main()
        {

            char first = GetInput_Char();
            char last = GetInput_Char();
            int FirstIndex = 0;
            int LastIndex = 0;
            Console.WriteLine();
            // line all ascii chars
            char[] ASCII = new char[255];
            char[] Chars = new char[255];
            for (int i = 0; i < 255; i++)
            {
                ASCII[i] = (char)i;


                if (first == (char)i) { FirstIndex = i; }
                if (last == (char)i) { LastIndex = i; }
            }


            if (first < last)
            {
                for (int i = FirstIndex + 1; i < LastIndex; i++)
                {
                    Console.Write($"{ASCII[i]} ");
                }
            }
            if (first > last)
            {
                for (int i = FirstIndex - 1; LastIndex < i; i--)
                {
                    Console.Write(ASCII[i] + " ");
                }
            }




        }

        static char GetInput_Char() { return Console.ReadLine()[0]; }





    }
}