import java.util.Scanner;

public class zad7 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        //  час - цяло число -> int
        // ден от седмицата -> от пон до събота
        int hour = Integer.parseInt(scanner.nextLine());
        String daysOfWeek = scanner.nextLine();
        String office = scanner.nextLine();
        int hoursOfWork = Integer.parseInt(scanner.nextLine());
        switch (daysOfWeek){
            case "Monday":
            case "Tuesday":
            case "Wednesday":
            case "Thursday":
            case "Friday":
            case"Saturday":
                if (hour >= 10 && hour <= 18){
                    System.out.println("open");

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