using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please Enter Your Weak Number: ");

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

        switch (W_No)

        {

                case 1 :

                Console.WriteLine("Monday");

                break;

                case 2 :

                Console.WriteLine("Tuesday");

                break;

                case 3 :

                Console.WriteLine("Wednesday");

                break;

                case 4 :

                Console.WriteLine("Thursday");

                break;

                case 5 :

                Console.WriteLine("Friday");

                break;

                case 6 :

                Console.WriteLine("Saturday");

                break;

                case 7 :

                Console.WriteLine("Sunday");

                break;

            default :

                Console.WriteLine("Invalid Day");

        }

    }

}