using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Introduce number 1: ");

        int n1 = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Introduce number 2: ");

        int n2 = Convert.ToInt32(Console.ReadLine());

        //Declarate variables

        int counter = 0;

        int sum = 0;

        double Average= 0;

        //print, count and add numbers in the range of n1 to n2

        for(int i=n1; i<=n2; i++)

        {

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

            counter++;  //count

            sum += i;  //add number

        }

        Average = sum / counter; // Calculate average

        Console.WriteLine("/nResuslts/n");

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

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

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

    }

}