import java.util.Scanner;

public class E03ComputerRoom {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String month = scanner.nextLine(); // "march", "april", "may", "june", "july", "august"
        int numberHours = Integer.parseInt(scanner.nextLine());
        int numberPerson = Integer.parseInt(scanner.nextLine());
        String tomeDay = scanner.nextLine(); // "day" или "night"

        double price = 0;

        if ((month.equals("march") || (month.equals("april") || (month.equals("may"))))){
            if(tomeDay.equals("day")){
                price = 10.50;
                if(numberPerson >= 4){
                    price = 10.50 - 0.10;
                }
                if(numberHours >= 5){
                    price = 10.50 - 0.50;
                }
                double totalPrice = (price * numberPerson) * numberHours;
                System.out.printf("Price per person for one hour: %.2f%n",price);
                System.out.printf("Total cost of the visit: %.2f",totalPrice);
            }
        }else if ((month.equals("june") || (month.equals("july") || (month.equals("august"))))){
            if(tomeDay.equals("day")){
                price = 12.60;
                if(numberPerson >= 4){
                    price =12.60 - 0.10;
                }
                if(numberHours >= 5){
                    price = 12.60 - 0.50;
                }
                double totalPrice = (price * numberPerson) * numberHours;
                System.out.printf("Price per person for one hour: %.2f%n",price);
                System.out.printf("Total cost of the visit: %.2f",totalPrice);
            }else if(tomeDay.equals("night")){
                price = 10.20;

                if(numberPerson >= 4){
                    price =10.20 - 0.9;
                    //double sum = price;
                }
                if(numberHours >= 5){
                    price = price - 0.5;
                }
                double totalPrice = (price * numberPerson) * numberHours;
                System.out.printf("Price per person for one hour: %.2f%n",price);
                System.out.printf("Total cost of the visit: %.2f",totalPrice);
            }
        }
    }
}