01. the fight of gondor

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

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {

            int n = int.Parse(Console.ReadLine());

            List<int> plates = Console.ReadLine().Split(' ', StringSplitOptions.RemoveEmptyEntries).Select(int.Parse).ToList();

            Stack<int> orcWaves = new Stack<int>();

            for (int i = 1; i <= n; i++)
            {
                orcWaves = new Stack<int>(Console.ReadLine().Split(' ', StringSplitOptions.RemoveEmptyEntries).Select(int.Parse).ToArray());

                if (i % 3 == 0)
                {
                    int plate = int.Parse(Console.ReadLine());
                    plates.Add(plate);
                }
                while (plates.Count != 0 && orcWaves.Count != 0)
                {
                    int currentPlate = plates[0];
                    int currentOrc = orcWaves.Pop();


                    if (currentPlate < currentOrc)
                    {
                        currentOrc -= currentPlate;
                        orcWaves.Push(currentOrc);
                        plates.RemoveAt(0);
                    }
                    else if (currentOrc < currentPlate)
                    {
                        currentPlate -= currentOrc;
                        plates[0] = currentPlate;
                    }
                    else
                    {
                        plates.RemoveAt(0);
                    }
                }
                if (plates.Count == 0)
                {
                    break;
                }
            }


            if (plates.Count == 0)
            {
                Console.WriteLine($"The orcs successfully destroyed the Gondor's defense.");
                Console.WriteLine($"Orcs left: {string.Join(", ", orcWaves)}");
            }
            else
            {
                Console.WriteLine("The people successfully repulsed the orc's attack.");
                Console.WriteLine($"Plates left: {string.Join(", ", plates)}");
            }

        }
    }
}