import java.util.Scanner;

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

        String oras = scanner.nextLine();
        double sales = Double.parseDouble(scanner.nextLine());


        switch (oras){
            case "London":
                if (sales <= 500) {
                    System.out.printf("%.2f", sales*0.05);
                }else if((sales > 500) && (sales <= 1000 )) {
                    System.out.printf("%.2f", sales*0.07);}
                    else if ((sales > 1000) && (sales <= 10000)){
                        System.out.printf("%.2f", sales*0.08);
                    }
                    else if ( sales > 10000){
                        System.out.printf("%.2f", sales*0.12);
                    }
                break;

            case "New York":
                if (sales <= 500) {
                    System.out.printf("%.2f", sales*0.045);
                }else if((sales > 500) && (sales <= 1000 )) {
                    System.out.printf("%.2f", sales*0.075);}
                    else if ((sales > 1000) && (sales <= 10000)){
                        System.out.printf("%.2f", sales*0.10);
                    }
                    else if ( sales > 10000){
                        System.out.printf("%.2f", sales*0.13);
                    }
                break;
                case "Sydney":

                if (sales <= 500) {
                    System.out.printf("%.2f", sales*0.055);
                }else if((sales > 500) && (sales <= 1000 )) {
                    System.out.printf("%.2f", sales*0.08);}
                    else if ((sales > 1000) && (sales <= 10000)){
                        System.out.printf("%.2f", sales*0.12);
                    }
                    else if ( sales > 10000){
                        System.out.printf("%.2f", sales*0.145);
                    }
                break;
                default:
                    System.out.println("error");
        }
    }
}