InputBox OK and Cancel Button Problem

I have this macro code that can protect and unprotect, It will show the input box and ask for a password. my problem is when I choose cancel, it still protect the file, the same thing with my unprotect code. here is my code below


Protect Code

Sub ProtectAll()
     
    Dim wSheet          As Worksheet
    Dim Pwd             As String
     
    Pwd = InputBox("Enter your password to protect all worksheets", "Password Input")
    For Each wSheet In Worksheets
        wSheet.Protect Password:=Pwd
    Next wSheet
     
End Sub

UnProtect Code

Sub UnProtectAll()
     
    Dim wSheet          As Worksheet
    Dim Pwd             As String
     
    Pwd = InputBox("Enter your password to unprotect all worksheets", "Password Input")
    On Error Resume Next
    For Each wSheet In Worksheets
        wSheet.Unprotect Password:=Pwd
    Next wSheet
    If Err <> 0 Then
        MsgBox "You have entered an incorect password. All worksheets could not " & _
        "be unprotected.", vbCritical, "Incorect Password"
    End If
    On Error GoTo 0
     
End Sub