Moving

using System;

namespace Moving
{
    class Program
    {
        static void Main(string[] args)
        {
            int length = int.Parse(Console.ReadLine());
            int width = int.Parse(Console.ReadLine());
            int height = int.Parse(Console.ReadLine());

            int allCubic = length * width * height;

            while (allCubic > 0)
            {
                string input = Console.ReadLine();
                if (input == "Done")
                {
                    break;
                }
                int box = int.Parse(input);
                allCubic -= box;
            }
            if (allCubic >= 0)
            {
                Console.WriteLine($"{allCubic} Cubic meters left.");
            }
            else
            {
                Console.WriteLine($"No more free space! You need {Math.Abs(allCubic)} Cubic meters more.");
            }
        }
    }
}