import java.util.Scanner;

public class Volleyball {
    public static void main(String[] args) {
        Scanner console= new Scanner(System.in);
        String year = console.nextLine();
        double p = Double.parseDouble(console.nextLine());
        double h = Double.parseDouble(console.nextLine());
        double sofia = (48 - h) * 3/4 ;
        double holiday = p * 2/3;
        double total = sofia + h + holiday;
        double leap = total * 15/100;
        double total0 = total + leap;

        if (year.equals("leap")){
            System.out.println(Math.floor(total0));
        }else if(year.equals("normal")){
            System.out.println(Math.floor(total));
        }

    }
}