7. Working Hours (Short Solution)

using System;

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

        if ((hour >= 10 && hour <= 18) && weekDay != "Sunday")
        {
            Console.WriteLine("open");
        }
        else
        {
            Console.WriteLine("closed");
        }
    }
}
}