Imports System

Public Module Module1

    Public Sub Main()

        dim num1 as integer =5

        dim num2 as integer =8

        dim ans as integer =0 

        add(num1,num2 , ans)

        console.writeline(ans)

    End Sub

    sub add(byval number1 as integer,byval number2 as integer ,byref answer as integer)

        answer= number1 + number2

    end sub

End Module