import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int groupNum = Integer.parseInt(scanner.nextLine());
        String typeGroup = scanner.nextLine();
        String day = scanner.nextLine();
        double price = 0.00;

        if (typeGroup.equals ("Students"))
        {
            if (day.equals( "Friday"))
            {
                price = 8.45;
            }
            else if (day.equals( "Saturday"))
            {
                price = 9.80;
            }
            else if (day.equals( "Sunday"))
            {
                price = 10.46;
            }

        }
        else if (typeGroup.equals( "Business"))
        {
            if (day.equals( "Friday"))
            {
                price = 10.90;
            }
            else if (day.equals( "Saturday"))
            {
                price = 15.60;
            }
            else if (day.equals( "Sunday"))
            {
                price = 16;
            }

        }
        else if (typeGroup.equals( "Regular"))
        {
            if (day.equals( "Friday"))
            {
                price = 15;
            }
            else if (day.equals( "Saturday"))
            {
                price = 20;
            }
            else if (day.equals( "Sunday"))
            {
                price = 22.50;
            }
        }

        double totalPrice = groupNum * price;
        double discounted = 0;

        if (typeGroup.equals( "Regular") && groupNum >= 10 && groupNum <= 20)
        {
            discounted = totalPrice * 0.05;

        }
        else if (typeGroup.equals( "Business") && groupNum >= 100)
        {
            discounted = 10 * price;

        }
        else if (typeGroup.equals( "Students" )&& groupNum >= 30)
        {
            discounted = totalPrice * 0.15;

        }

       // Console.WriteLine($"Total price: {totalPrice - discounted:F2}");
double total= totalPrice- discounted;
        System.out.printf("Total price: %.2f",total);
    }
}