using System;

public class Program

{

    public static void Main()

    {

        var budget = double.Parse(Console.ReadLine());

        var ticketCategorty = Console.ReadLine().ToLower();

        var countPeople = int.Parse(Console.ReadLine());

        double ticketPrice = 0;

        double restMoney = 0;

        if (ticketCategorty == "vip")

        {

            ticketPrice = 499.99;

        }

        else if (ticketCategorty == "normal")

        {

            ticketPrice = 249.99;

        }

        else

        {

            Console.WriteLine("Wrong tiicket category!!!");

        }

        if (countPeople < 5) 

        {

            restMoney = budget * 0.25;

        }

        else if (countPeople < 10) 

        {

            restMoney = budget * 0.40;

        }

        else if (countPeople < 25) 

        {

            restMoney = budget * 0.50;

        }

        else if (countPeople < 50) 

        {

            restMoney = budget * 0.60;

        }

        else

        {

            restMoney = budget * 0.75;

        }

        double budgetForTickets = countPeople * ticketPrice;

        if (restMoney >= budgetForTickets)

        {

            double result = restMoney - budgetForTickets;

            Console.WriteLine("Yes! You have {0:F2} leva left.", result);

        }

        else

        {

            double result = budgetForTickets - restMoney;

            Console.WriteLine("Not enough money! You need {0:F2} leva.", result);

        }

    }

}