ПАК СЪЩИЯТ ПРОБЛЕМ

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

namespace RemoveAllNegatives
{
    class Program
    {
        public static void Main(string[] args)
        {
            List<decimal> numbers = Console.ReadLine().Split(' ').Select(decimal.Parse).ToList();

            for (int rotations = 1; rotations < numbers.Count; rotations++)
            {
                for (int element = 1; element < numbers.Count; element++)
                {
                    if (numbers[element] == numbers[element - 1])
                    {
                        numbers[element - 1] = numbers[element] + numbers[element - 1];
                        numbers.RemoveAt(element);
                    }
                }
            }

            Console.WriteLine(string.Join(" ", numbers));
        }
    }
}