using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DataTypesAndVariables
{
    class Program
    {
        static void Main()
        {
            int start = int.Parse(Console.ReadLine());
            int end = int.Parse(Console.ReadLine());

            for (int i = start; i <= end; i++)
            {
                Console.Write((char)(i) + " ");
            }

        }
    }
}