using System;

public class Program

{

    public static void Main()

    {

        ///ricardo villalobos

        Console.WriteLine("Enter the initial number");

        int inum=Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Enter the final number");

        int fnum=Convert.ToInt32(Console.ReadLine());

        int sum=0;

        int counter =0;

        for (int i=inum; i<=fnum; i++)

        {

            Console.Write("{0}",i);

            counter ++;

            sum += i;

        }

        double average= sum/counter;

        Console.WriteLine("\nRESULTS");

        Console.WriteLine("Counter: {0} ",counter);

        Console.WriteLine("Sum: {0} ",sum);

        Console.WriteLine("Average: {0}", average);

    }

}