using System;

public class Program

{

    public static void Main()

    {

        int days = int.Parse(Console.ReadLine());

        if (days == 22)

        Console.WriteLine("Monday: Working day");

        int weekend = int.Parse(Console.ReadLine());

        if (weekend == 8)

        Console.WriteLine("Sunday: Weekend");

        int error = int.Parse(Console.ReadLine());

        if (error == 0)

        Console.WriteLine("April: Error");

    }

}