WorkingHours

import java.util.Scanner;

public class OpeningTime_07 {
    public static void main(String[] args) {
        Scanner myScan = new Scanner(System.in);

        int time = Integer.parseInt(myScan.nextLine());
        String day = myScan.nextLine();

        // working time 10-18
        // working days Mon - Fri : Sat - Sun - closed
        switch (day) {
            case "Monday":
            case "Tuesday":
            case "Wednesday":
            case "Thursday":
            case "Friday":
            case "Saturday":
                if (time >= 10 && time <= 18) {
                    System.out.println("open");
                } else {
                    System.out.println("closed");
                }
                break;

            case "Sunday":
                System.out.println("closed");
                break;
        }

    }
}