using System;
using System.Globalization;
 
namespace _05.KeyReplacer
{
    class Program
    {
        static void Main(string[] args)
        {
            string inputDate = Console.ReadLine();
            DateTime date = DateTime.ParseExact(inputDate, "dd-M-yyyy", CultureInfo.InvariantCulture);
            string dayOfWeek = date.DayOfWeek.ToString();
            string result = string.Empty;
            switch (dayOfWeek)
            {
                case "Monday": result = "No party tonight! Today is: Monday"; break;
                case "Tuesday": result = "No party tonight! Today is: Tuesday"; break;
                case "Wednesday": result = "No party tonight! Today is: Wednesday"; break;
                case "Thursday": result = "No party tonight! Today is: Thursday"; break;
                case "Friday": result = "Party night! Today is: Friday"; break;
                case "Saturday": result = "Party night! Today is: Saturday"; break;
                case "Sunday": result = "No party tonight! Today is: Sunday"; break;
            }
            Console.WriteLine(result);
        }
    }
}