import java.util.Scanner;

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

        String season = scanner.nextLine();
        String gender = scanner.nextLine();
        int students = Integer.parseInt(scanner.nextLine());
        int nights = Integer.parseInt(scanner.nextLine());
        double boys = 0;
        double mix = 0;
        double totalSum = 0;
        double girls = 0;

        if("Winter".equals(season)){
            if("mixed".equals(gender)){
                mix = 10;
                totalSum = nights * mix * students;
                if(students >= 50){
                    totalSum = totalSum - totalSum * 0.50;
                }else if(students < 50 && students >= 20){
                    totalSum = totalSum - totalSum * 0.15;
                }else if(students < 20 && students >= 10){
                    totalSum = totalSum - totalSum * 0.05;
                }
                System.out.printf("Ski %.2f lv.", totalSum);
            }else if("boys".equals(gender)){
                boys = 9.60;
                totalSum = nights * mix * students;
                if(students >= 50){
                    totalSum = totalSum - totalSum * 0.50;
                }else if(students < 50 && students >= 20){
                    totalSum = totalSum - totalSum * 0.15;
                }else if(students < 20 && students >= 10){
                    totalSum = totalSum - totalSum * 0.05;
                }
                System.out.printf("Judo  %.2f lv.", totalSum);
            }else {
                girls = 9.60;
                totalSum = nights * mix * students;
                if(students >= 50){
                    totalSum = totalSum - totalSum * 0.50;
                }else if(students < 50 && students >= 20){
                    totalSum = totalSum - totalSum * 0.15;
                }else if(students < 20 && students >= 10){
                    totalSum = totalSum - totalSum * 0.05;
                }
                System.out.printf("Gymnastics %.2f lv.", totalSum);
            }

        }else if("Spring".equals(season)){
            if("mixed".equals(gender)){
                mix = 9.5;
                totalSum = nights * mix * students;
                if(students >= 50){
                    totalSum = totalSum - totalSum * 0.50;
                }else if(students < 50 && students >= 20){
                    totalSum = totalSum - totalSum * 0.15;
                }else if(students < 20 && students >= 10){
                    totalSum = totalSum - totalSum * 0.05;
                }
                System.out.printf("Cycling %.2f lv.", totalSum);
            }else if("girls".equals(gender)){
                girls = 7.20;
                totalSum = nights * girls * students;
                if(students >= 50){
                    totalSum = totalSum - totalSum * 0.50;
                }else if(students < 50 && students >= 20){
                    totalSum = totalSum - totalSum * 0.15;
                }else if(students < 20 && students >= 10){
                    totalSum = totalSum - totalSum * 0.05;
                }
                System.out.printf("Athletics %.2f lv.", totalSum);
            }else {
                boys = 7.20;
                totalSum = nights * boys * students;
                if(students >= 50){
                    totalSum = totalSum - totalSum * 0.50;
                }else if(students < 50 && students >= 20){
                    totalSum = totalSum - totalSum * 0.15;
                }else if(students < 20 && students >= 10){
                    totalSum = totalSum - totalSum * 0.05;
                }
                System.out.printf("Tennis %.2f lv.", totalSum);
            }

        }else {
            if("mixed".equals(gender)) {
                mix = 20;
                totalSum = nights * mix * students;
                if (students >= 50) {
                    totalSum = totalSum - totalSum * 0.50;
                } else if (students < 50 && students >= 20) {
                    totalSum = totalSum - totalSum * 0.15;
                } else if (students < 20 && students >= 10) {
                    totalSum = totalSum - totalSum * 0.05;
                }
                System.out.printf("Swimming %.2f lv.", totalSum);
            }else if("girls".equals(gender)){
                girls = 15;
                totalSum = nights * girls * students;
                if(students >= 50){
                    totalSum = totalSum - totalSum * 0.50;
                }else if(students < 50 && students >= 20){
                    totalSum = totalSum - totalSum * 0.15;
                }else if(students < 20 && students >= 10){
                    totalSum = totalSum - totalSum * 0.05;
                }
                System.out.printf("Volleyball %.2f lv.", totalSum);


            }else {
                boys = 15;
                totalSum = nights * boys * students;
                if(students >= 50){
                    totalSum = totalSum - totalSum * 0.50;
                }else if(students < 50 && students >= 20){
                    totalSum = totalSum - totalSum * 0.15;
                }else if(students < 20 && students >= 10){
                    totalSum = totalSum - totalSum * 0.05;
                }
                System.out.printf("Football %.2f lv.", totalSum);

            }



        }

    }

}