using System;

using System.Linq;

​

namespace MyApplication

{

  class Program

  {

    static void Main(string[] args)

    {

      int[] myNumbers = {5, 1, 8, 9};

      Console.WriteLine(myNumbers.Max());  // returns the largest value

      Console.WriteLine(myNumbers.Min());  // returns the smallest value

      Console.WriteLine(myNumbers.Sum());  // returns the sum of elements

    }

  }

}