report system

using System;

namespace whileloop
{
    class Program
    {
        static void Main(string[] args)
        {
            int neededSum = int.Parse(Console.ReadLine());

            string command = Console.ReadLine();


            int moneyCard = 0;
            int moneyCash = 0;
            int cardCount = 0;
            int cashCount = 0;
            int count = 0;

            while (true)
            {
                if (command == "End" )
                {
                    Console.WriteLine("Failed to collect required money for charity.");
                    break;
                }


                count++;



                int sum = int.Parse(command);

                if (count % 2 == 1 )
                {
                    if (sum <= 100)
                    {
                        moneyCash += sum;
                        cashCount++;
                        Console.WriteLine("Product sold!");
                    }
                    else
                    {
                        Console.WriteLine("Error in transaction!");
                    }
                }
                if(count % 2 == 0)
                {
                    if (sum > 10 )
                    {
                        moneyCard +=sum;
                        cardCount++;
                        Console.WriteLine("Product sold!");
                    }
                    else
                    {
                        Console.WriteLine("Error in transaction!");
                    }
                }

                int money = moneyCard + moneyCash;

                if (money >= neededSum)
                {
                    Console.WriteLine($"Average CS: {1.0*moneyCash/cashCount:F2}");
                    Console.WriteLine($"Average CC: {1.0*moneyCard / cardCount:F2}");
                    break;
                }

                command = Console.ReadLine();

            }
        }
    }
}