Write a program in C# to find the summation of negative numbers from a collection of numbers

Given an collection as -8, -7, 6, 0, 7, -1, 6. The objective is to find the summation of negative numbers from the collection of numbers. The below program will do so

using System;
using System.Collections.Generic;
using System.Linq;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {

            Console.WriteLine(new List<int>() { -8, -7, 6, 0, 7, -1, 6 }
                                  .OrderBy(o => o)
                                  .TakeWhile(t => t < 0)
                                  .Sum());                                 
            Console.ReadKey();
        }       

    }
}

Output: -16