05. ACCOUNT BALANCE

using System;

namespace P05
{
    class Program
    {
        static void Main(string[] args)
        {
            double bankAccount = 0.0;
            string input = Console.ReadLine();

            while(input != "NoMoreMoney")
            {
                double increaseSum = double.Parse(input);
                if (increaseSum < 0)
                {
                    Console.WriteLine("Invalid operation!");
                    break;
                }
                bankAccount += increaseSum;
                Console.WriteLine($"Increase: {increaseSum:F2}");
                input = Console.ReadLine();
            }
            Console.WriteLine($"Total: {bankAccount:F2}");
        }
    }
}