using System;

public class Program

{//bukak class

    public static void Main()

    {//bukak Main

        Console.WriteLine("Hello user");

        string name ,choose;

        //user enter name

        Console.WriteLine("Please enter your name");

        name = Console.ReadLine();

        Console.WriteLine("\n=====================================");

        Console.WriteLine("Welcome  " + name);

        Console.WriteLine("=====================================");

        //pilihan menu

        Console.WriteLine("\n=====================================");

        Console.WriteLine("                 Menu");

        Console.WriteLine("\n       1- Number Code ");

        Console.WriteLine("     2- Alphabet Code ");

        Console.WriteLine("     3- C O D E ");

        Console.WriteLine("     4- EXIT ");

        Console.WriteLine("=====================================");

        Console.Write("\nPlease enter your choices. : ");

        choose = Console.ReadLine();

    if (choose == "1" )

    {   //start if 1

        //user enter menu dan nk pilih kos

        Console.WriteLine("\n=====================================");

        Console.WriteLine("                 Menu");

        Console.WriteLine("\n       1- Diploma In Computer Networking ");

        Console.WriteLine("     2- Diploma In Civil Engineering ");

        Console.WriteLine("     3- Diploma In Agro Technology ");

        Console.WriteLine("     4- EXIT ");

        Console.WriteLine("=====================================");

        Console.Write("\nPlease enter your choices. : ");

        choose = Console.ReadLine();

        if(choose == "1" || choose == "1")

        {

            Console.WriteLine("\nDiploma in Computer Scinece");

        }

        else if(choose == "2" || choose == "2")

        {

            Console.WriteLine("\nDiploma in Civil Engineering");

        }

        else if(choose == "3" || choose == "3")

        {

            Console.WriteLine("\nDiploma In Agro Tech");

        }   

        else

        {

            Console.WriteLine("invalid");

        }

    } //tutup if 1

        else if (choose == "2" )

    {   //start if 2

        //user enter menu dan nk pilih kos

        Console.WriteLine("\n=====================================");

        Console.WriteLine("                 Menu");

        Console.WriteLine("\n       C- Diploma In Computer Networking ");

        Console.WriteLine("     E- Diploma In Civil Engineering ");

        Console.WriteLine("     A- Diploma In Agro Technology ");

        Console.WriteLine("=====================================");

        Console.Write("\nPlease enter your choices. : ");

        choose = Console.ReadLine();

        if(choose == "C")

        {

            Console.WriteLine("\nDiploma in Computer Scinece");

        }

        else if(choose == "E")

        {

            Console.WriteLine("\nDiploma in Civil Engineering");

        }

        else if(choose == "A")

        {

            Console.WriteLine("\nDiploma In Agro Tech");

        }   

        else

        {

            Console.WriteLine("invalid");

        }

    } //tutup if 2

                else if (choose == "3" )

    {   //start if 3

        //user enter menu dan nk pilih kos

        Console.WriteLine("\n=====================================");

        Console.WriteLine("                 Menu");

        Console.WriteLine("\n       CS110- Diploma In Computer Networking ");

        Console.WriteLine("     EC110- Diploma In Civil Engineering ");

        Console.WriteLine("     AT110- Diploma In Agro Technology ");

        Console.WriteLine("=====================================");

        Console.Write("\nPlease enter your choices. : ");

        choose = Console.ReadLine();

        if(choose == "CS110" || choose == "cs110")

        {

            Console.WriteLine("\nDiploma in Computer Scinece");

        }

        else if(choose == "EC110" || choose == "ec110")

        {

            Console.WriteLine("\nDiploma in Civil Engineering");

        }

        else if(choose == "AT110" || choose == "at110")

        {

            Console.WriteLine("\nDiploma In Agro Tech");

        }   

        else

        {

            Console.WriteLine("invalid");

        }

    } //tutup if 3

        else if (choose == "3" )

        {

            Console.WriteLine("bye");

        }

        Console.WriteLine("\nThank you {0}", name);

        Console.WriteLine("Bye");

​

    }//tutup Main

}//tutup class