using System;

public class Program

{

    public static void Main()

    {

        bool loop = false;

        int first = 0;

        string input;

        while(loop == false)

        {

            Console.WriteLine("Please enter a whole number.");

            input = Console.ReadLine();

            loop = Int32.TryParse(input, out first);

            if(loop == false)

            {

                Console.WriteLine("Invalid Entry");

            }

        }

        int second = 0;

        do

        {

            Console.WriteLine("Please enter a second whole number.");

            input = Console.ReadLine();

            loop = Int32.TryParse(input, out second);

            if(loop == false)

            {

                Console.WriteLine("Invalid Entry");

            }

        }while(loop == false);

        if(first > second)

        {

            for(int i = first; i >= second; i--)

            {

                Console.WriteLine(i);

            }

        }

        else if(first < second)

        {

            for(int i = first; i <= second; i++)

            {

                Console.WriteLine(i);

            }

        }

        else

        {

            Console.WriteLine(first);

        }

    }

}