using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; 

        double averageNum = numbers.Average();

        Console.WriteLine("The average number is {0}.", Math.Round(averageNum)); 

​

    }

}