import java.util.Scanner;

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

        int hour = Integer.parseInt(scanner.nextLine());
        String day = scanner.nextLine();
        if(hour >10 && hour < 18 && day != "Sunday"){
            System.out.println("open");
        }else {
            System.out.println("closed");
        }
    }
}