using System;

​

class Program

{

    static void Main()

    {

​

        int hour = int.Parse(Console.ReadLine());

        string dayOfWeek = Console.ReadLine();

​

        bool isOpen = IsOfficeOpen(hour, dayOfWeek);

​

        if (isOpen)

        {

            Console.WriteLine("open");

        }

        else

        {

            Console.WriteLine("closed");

        }

    }

​

    static bool IsOfficeOpen(int hour, string dayOfWeek)

    {

        // Check if the day is a valid working day (Monday through Saturday)

        if (dayOfWeek.Equals("Monday", StringComparison.OrdinalIgnoreCase) ||

            dayOfWeek.Equals("Tuesday", StringComparison.OrdinalIgnoreCase) ||

            dayOfWeek.Equals("Wednesday", StringComparison.OrdinalIgnoreCase) ||

            dayOfWeek.Equals("Thursday", StringComparison.OrdinalIgnoreCase) ||

            dayOfWeek.Equals("Friday", StringComparison.OrdinalIgnoreCase) ||

            dayOfWeek.Equals("Saturday", StringComparison.OrdinalIgnoreCase))

        {

            // Check if the hour is within working hours (10 AM to 6 PM)

            if (hour >= 10 && hour < 18)

            {

                return true; // Office is open

            }

        }

​

        // If the conditions above are not met, the office is closed

        return false;

    }

}