using System;

namespace WorkingHours
{
    class Program
    {
        static void Main(string[] args)
        {
            int hour = int.Parse(Console.ReadLine());
            string day = Console.ReadLine();
            if (hour >= 10 && hour < 18)
                switch (day)
                {
                    case ("Monday"):
                    case ("Tuesday"):
                    case ("Wednesday"):
                    case ("Thursday"):
                    case ("Friday"):
                    case ("Saturday"):
                        Console.WriteLine("open");
                        break;
                    case ("Sunday"):
                        Console.WriteLine("closed");
                        break;
                        default:
                        Console.WriteLine("closed");
                        break;
                }
        }
    }
}