using System;

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

        if (weekDay == "Monday")
        {
            Console.WriteLine("12");
        }
        else if (weekDay == "Tuesday")
        {
            Console.WriteLine("12");
        }
        else if (weekDay == "Wednesday")
        {
            Console.WriteLine("14");
        }
        else if (weekDay == "Thursday")
        {
            Console.WriteLine("14");
        }
        else if (weekDay == "Friday")
        {
            Console.WriteLine("12");
        }
        else if (weekDay == "Saturday")
        {
            Console.WriteLine("16");
        }
        else if (weekDay == "Sunday")
        {
            Console.WriteLine("16");
        }
    }
}
}