BePositive

using System;
using System.Collections.Generic;

namespace _17.BePositive
{
    class StartUp
    {
        static void Main()
        {
            int countSequences = int.Parse(Console.ReadLine());

            for (int i = 0; i < countSequences; i++)
            {
                string[] input = Console.ReadLine().Split(' ');
                var numbers = new List<int>();

                for (int j = 0; j < input.Length; j++)
                {
                    if (!input[j].Equals(string.Empty))
                    {
                        int num = int.Parse(input[j]);
                        numbers.Add(num);
                    }
                }

                bool found = false;
                for (int j = 0; j < numbers.Count; j++)
                {
                    int currentNum = numbers[j];

                    if (currentNum >= 0)
                    {
                        Console.Write(currentNum + " ");

                        found = true;
                    }
                    else if(j + 1 < numbers.Count)
                    {
                        currentNum += numbers[j + 1];
                        j += 1;
                        if (currentNum >= 0)
                        {

                            Console.Write(currentNum + " ");

                            found = true;
                        }
                    }
                }
                if (!found)
                {
                    Console.WriteLine("(empty)");
                }
                else
                {
                    Console.WriteLine();
                }
            }
        }
    }
}