Imports System

Public Module Module1

    Public Sub Main()

        dim Difference  as Integer

        dim FirstValue as Integer

        dim SecondValue as Integer

        Console.WriteLine("Basic Calculator")

        Console.WriteLine("Enter the first number")

        FirstValue=Console.ReadLine()

        Console.WriteLine("Enter the second number")

        SecondValue=Console.ReadLine()

        difference= FirstValue - SecondValue

        Console.WriteLine(Difference)

    End Sub

End Module