Denary numbers to binary for numbers below 255, Visual Basic

Denary numbers to binary for numbers below 255

'Rextester.Program.Main is the entry point for your code. Don't change it.
'Compiler version 11.0.50709.17929 for Microsoft (R) .NET Framework 4.5

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text.RegularExpressions

Namespace Rextester
    Public Module Program
    Dim count As Integer
    Dim constants(8) As Integer
    Dim values(8) As Integer
    Dim value As Integer
    Dim value1 As Integer
    Dim answers(8) As Integer
    Dim number As Integer
        Public Sub Main(args() As string)
            'Your code goes here
            Console.WriteLine("Denary to binary converter")
            Console.WriteLine("Please enter a denary number")
            Console.WriteLine("It will also include step-by-step instructions")
            Console.WriteLine("Please make sure that you enter a number below 255")
            number=Console.ReadLine()
            If number>255 Then
              Do
              Console.WriteLine("The number you entered is invalid")
              Console.WriteLine("Please enter a number below 255")
              number=Console.ReadLine()
              Loop Until number<=255
            End If
            value=number
            count=0
            constants(8)=128
            constants(7)=64
            constants(6)=32
            constants(5)=16
            constants(4)=8
            constants(3)=4
            constants(2)=2
            constants(1)=1
            Console.WriteLine("-------------------------")
            Console.WriteLine("Current value is " & value)
            For count=0 To 7
              Console.WriteLine("Using value of " & value)
              Console.WriteLine("Count value has been incremented")
              Console.WriteLine("Current count value is " & count)
              Console.WriteLine("Subtracting " & constants(8-count))
              values(count)=value-constants(8-count)
              If values(count)<0 Then
                 Console.WriteLine("Error: The value is less than zero")
                 Do
                 Console.WriteLine("Subtracting a lower value to fix the error")
                 count=count+1
                 Console.WriteLine("Count value has been incremented")
                 Console.WriteLine("Current count value is " & count)
                 Console.WriteLine("Subtracting " & constants(8-count))
                 values(count)=value-constants(8-count)
                 Console.WriteLine("Current value is " & values(count))
                 Loop Until values(count)>=0
                 Console.WriteLine("Error fixed")
              End If
              answers(count)=1
              value=values(count)
            Next
            Console.WriteLine("----------------------")
            Console.WriteLine("Number " & number &  " is " & answers(0) & answers(1) & answers(2) & answers(3) & answers(4) & answers(5) & answers(6) & answers(7) & " in binary")
            Console.ReadLine()
            
        End Sub
    End Module
End Namespace


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