using System;

namespace WorkingHours
{
internal class Program
{
    static void Main(string[] args)
    {
        int dayHour = int.Parse(Console.ReadLine());
        string weekDay = Console.ReadLine();

        switch (weekDay)
        {
            case "Monday":
                if (dayHour >= 10 && dayHour <= 18)
                {
                    Console.WriteLine("open");
                }
                else
                {
                    Console.WriteLine("closed");
                }
                break;

            case "Tuesday":
                if (dayHour >= 10 && dayHour <= 18)
                {
                    Console.WriteLine("open");
                }
                else
                {
                    Console.WriteLine("closed");
                }
                break;

            case "Wednesday":
                if (dayHour >= 10 && dayHour <= 18)
                {
                    Console.WriteLine("open");
                }
                else
                {
                    Console.WriteLine("closed");
                }
                break;

            case "Thursday":
                if (dayHour >= 10 && dayHour <= 18)
                {
                    Console.WriteLine("open");
                }
                else
                {
                    Console.WriteLine("closed");
                }
                break;

            case "Friday":
                if (dayHour >= 10 && dayHour <= 18)
                {
                    Console.WriteLine("open");
                }
                else
                {
                    Console.WriteLine("closed");
                }
                break;

            case "Saturday":
                if (dayHour >= 10 && dayHour <= 18)
                {
                    Console.WriteLine("open");
                }
                else
                {
                    Console.WriteLine("closed");
                }
                break;

            case "Sunday":
                if (dayHour >= 10 && dayHour <= 18)
                {
                    Console.WriteLine("closed");
                }
                break;

        }
    }
}
}