'Public Main(class)

'public Module Module1

     'Public Sub Main()

        'dim Firstvalue,Secondvalue,answer as integer

        'dim operation as string

        'Console.WriteLine("select your operation")

        'Console.WriteLine("Addition")

        'Console.WriteLine("Subtraction")

        'Console.WriteLine("Multiplication")

        'Console.WriteLine("Division")

        'operation = Console.ReadLine()'

        'Console.WriteLine(1)

        'Firstvalue = Console.ReadLine(10)'

        'Console.WriteLine(1)

        'Secondvalue = Console.Readline(20)

        'Select case operation

        'case "Addition"

            'answer = Firstvalue + Secondvalue

            'Console.WriteLine(30)'

        'case "Subtraction"

            'answer = Firstvalue - Secondvalue

            'Console.WriteLine(10)

        'case "Multiplication"

            'answer = Firstvalue * Secondvalue

            'Console.WriteLine(80)'

       ' case "Division"

 'answer = Firstvalue / Secondvalue'

            'Console.WriteLine(2)'