CupsAndBottles

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

namespace CupsAndBottles
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] cupsCapacity = Console.ReadLine()
                .Split()
                .Select(int.Parse)
                .ToArray();
            int[] bottlesWithWater = Console.ReadLine()
                .Split()
                .Select(int.Parse)
                .ToArray();


            var stackOfBottles = new Stack<int>(bottlesWithWater);
            var queueOfCups = new Queue<int>(cupsCapacity);

            int totalWastedWater = 0;

            while (true)
            {
                if (stackOfBottles.Peek() >= queueOfCups.Peek())
                {
                    int currentBottle = stackOfBottles.Pop();
                    int currentCup = queueOfCups.Dequeue();

                    int wastedWater = currentBottle - currentCup;
                    totalWastedWater += wastedWater;
                    stackOfBottles.Pop();
                    queueOfCups.Dequeue();
                }
                else
                {
                    //??? TO DO
                }

                if (stackOfBottles.Count == 0)
                {
                    Console.WriteLine("Cups: " + string.Join(" ", queueOfCups));
                    break;
                }
                if (queueOfCups.Count == 0)
                {
                    Console.WriteLine("Bottles: " + string.Join(" ", stackOfBottles));
                    break;
                }
            }
            Console.WriteLine($"Wasted litters of water: {totalWastedWater}");
        }
    }
}