BachelorParty_Solution

namespace BachelorParty
{

    using System;
    using System.Collections.Generic;

    class StartUp
    {
        static void Main()
        {
            int artistFee = int.Parse(Console.ReadLine());

            string input = "The restaurant";
            double totalIncome = 0.00;//10345.67
            int totalGuests = 0;

            while(input != "The restaurant is full")
            {
                input = Console.ReadLine();
                int guestsNum;

                bool inputIsNum = int.TryParse(input, out guestsNum);

                if(inputIsNum)
                {
                    if(guestsNum < 5)
                    {
                        totalIncome += guestsNum * 100;
                    }
                    else
                    {
                        totalIncome += guestsNum * 70;
                    }

                    totalGuests += guestsNum;
                }
                else
                {
                    if(input == "The restaurant is full")
                    {
                        break;
                    }
                }
            }

            if(totalIncome >= artistFee)
            {
                Console.Write($"You have {totalGuests} guests and {totalIncome - artistFee} leva left.");
            }
            else
            {
                Console.Write("You have {0} guests and {1} leva income, but no singer.", totalGuests, totalIncome);
            }
        }
    }
}