Imports System

Public Module Module1

    Public Sub Main()

        dim marks as string

        console.writeline("marks:)

        marks=console.ReadLine()

        if marks >25 console.writeLine("Fail""), 

         else marks >50 console.writeline("Meeting""),

                        if  marks >75 console.writeLine("exciding""), 

                                dim marks as string

                                if marks = 0 console.writeline ("detention""). 

             end if

            end if                  

           end if 

        end sub 

end module