using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

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

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

        int[] number = new int[times];

        for(int i = 0; i < times; i++){

            Console.WriteLine("Enter a number: ");

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

        }

        Console.WriteLine("The total: " + number.Sum());

        Console.WriteLine("The mean: " + number.Average());

        }

    }

​