import java.util.Scanner;

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

        String year = sc.nextLine();    //leap, normal
        int holidays = Integer.parseInt(sc.nextLine());
        int weekends = Integer.parseInt(sc.nextLine());

        double sofiaPlays1 = (48 - weekends) * 3 / 4.0;
        double sofiaPlays2 = holidays * 2.0 / 3;
        double totalPlay = weekends + sofiaPlays1 + sofiaPlays2;

        if (year.equals("leap")) {
            totalPlay += 0.15 * totalPlay;
        }

        System.out.println(Math.floor(totalPlay));

    }
}