using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        int[] a = new int[] { 3, 12, 23, 35, 44, 64};

        //int[] b = new int[] { 23 };

        int[] e = new int[] { 7, 23, 55 };

        Random random = new Random(

        int f = e.ElementAt(1); //b

        int[] g = new int[] { f };

        IEnumerable<int> c = a.Except(g);

        int w = 0;

        foreach(int d in a){

            w = w + d;

        }

        Console.WriteLine("a + b = " + w);

        int x = 0;

        foreach(int h in c){

            x = x + h;

        }

        Console.WriteLine("w + h = " + x);

        Console.WriteLine("what is f: " + f);

    }

}