using System;

using System.Linq;          

public class Program

{

    public static void Main()

    {

        //getting user input on how many numbers

        Console.WriteLine("How many numbers?");

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

        int[] number = new int[num];

        //for-loop to input values by the user

        for(int i=0;i<number.Length;i++)

        {

            Console.WriteLine("Enter number: ");

            number[i]=Convert.ToInt32(Console.ReadLine());

        }

        //print out values in array using foreach-loop

        Console.WriteLine("\nThe numbers are: ");

        foreach (int i in number)

        {

            Console.WriteLine(i);

        }

        //sort in ascending order

        Array.Sort(number);

        Console.WriteLine("\nThe sorted numbers are:");

        foreach(int i in number)

        {

            Console.WriteLine(i);

        }

        //enter new number for second element of the array

        Console.WriteLine("\nEnter a new number to replace second number: ");

        number[1]=Convert.ToInt32(Console.ReadLine());

        //print out values again in array using foreach-loop

        Console.WriteLine("\nThe new numbers are: ");

        foreach (int i in number)

        {

            Console.WriteLine(i);

        }

        //return biggest number in the array

        Console.WriteLine("\nThe largest number is: " + number.Max());

        //return smallest number in the array

        Console.WriteLine("\nThe smallest number is: " + number.Min());

        //return the total/sum of number in the array

        Console.WriteLine("\nThe total is: " + number.Sum());

        //return the mean/average of the numbers in the array

        Console.WriteLine("\nThe mean is: " + number.Average());

    }

}