HomeWork 4 Sum of 5 Numbers

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Text.RegularExpressions;

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


            string numbersStr = Console.ReadLine();
            int i, j;
            double[] numbers = new double[numbersStr.Length];
            double sum = 0;
            string separator = "\x0020"; //сепаратора е шпация

            string[] substrings = Regex.Split(numbersStr, separator);
            i = 0;
            foreach (string match in substrings)
            {
                //numbers[i] = double.Parse(match);
                numbers[i] = Convert.ToDouble(match);
                sum += numbers[i];
                //Console.WriteLine(numbers[i]);
                i++;

            }
            Console.WriteLine("sum= " + sum);


        }
    }
}