Data Types VB.Net

Imports System
Imports System.Text
Imports Microsoft.VisualBasic.Strings
Imports System.Numerics
Imports System.Globalization
Class MainClass
    Public Shared Sub Main()
        Dim negativeNumber As BigInteger = -100
        Dim positiveNumber As BigInteger = 1111
        
        Dim negativeHex As String = negativeNumber.ToString("X")
        Dim positiveHex As string = positiveNumber.ToString("X")
        
        Dim negativeNumber2, positiveNumber2 As BigInteger 
        negativeNumber2 = BigInteger.Parse(negativeHex, NumberStyles.HexNumber)
        positiveNumber2 = BigInteger.Parse(positiveHex,NumberStyles.HexNumber)
        
        Console.WriteLine(negativeNumber2)                                         
        Console.WriteLine(positiveNumber2)                                         
    End Sub
End Class