06. Cake ( While loop )

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Training_Cake_23_01_2019
{
    class Program
    {
        static void Main(string[] args)
        {
            int l = int.Parse(Console.ReadLine());
            int w = int.Parse(Console.ReadLine());
            string comand = Console.ReadLine();

            int valueOfCake = l * w;
            int peeceCounter = 0;

            while (comand != "STOP")
            {
                peeceCounter += int.Parse(comand);

                if (peeceCounter > valueOfCake)
                {
                    Console.WriteLine($"No more cake left! You need {peeceCounter - valueOfCake} pieces more.");
                    break;
                }
                comand = Console.ReadLine();
            }
            if (comand == "STOP")
            {
                Console.WriteLine($"{valueOfCake - peeceCounter} pieces are left.");
            }
        }
    }
}