import java.util.Scanner;

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

        double kg = Double.parseDouble(scanner.nextLine());
        String usluga = scanner.nextLine();
        int kilometers = Integer.parseInt(scanner.nextLine());
        double price = 0;
        double expressdelivery = 0;


        switch (usluga){
            case "standard":
                if (kg < 1) {
                    price = 3;
                } else if (kg > 1 && kg < 10){
                    price = 5;
                }else if (kg >= 10 && kg < 40){
                    price = 10;
                }else if (kg >= 40 && kg < 90){
                    price = 15;
                }else if (kg >= 90 && kg < 150){
                    price = 20;
                }
                break;
            case "express":
                if (kg < 1) {
                    expressdelivery = 0.80;
                } else if (kg > 1 && kg < 10){
                    expressdelivery = 0.40;
                }else if (kg >= 10 && kg < 40){
                    expressdelivery = 0.05;
                }else if (kg >= 40 && kg < 90){
                    expressdelivery = 0.02;
                }else if (kg >= 90 && kg < 150){
                    expressdelivery = 0.01;
                }
                break;


        }

    }
}