using System;

​

using System.Linq;

​

​

namespace ConsoleApp3

{

    public class Program

    {

        public static void Main(string[] args)

        {

​

            int[] myArray = { 9, 10, 2, 3, 5, 89, 42, 31, 20, 51, 2, 79, 12, 7 };

            int minn = myArray.Min();

            int maxx = myArray.Max();

            int summ = myArray.Sum();

            int result = summ - minn - maxx;

            Console.WriteLine(result);

            Console.ReadLine();

        }

    }

}

​