Dener misiniz...

Sub Hesapnoilevadtelihesapsil()

Dim lr As Integer
Dim Message, Title, Default, MyValue
Dim blnExt As Boolean

blnExt = False
Message = "SİLİNMESİNİ İSTEDİĞİNİZ HESAP NO GİRİNİZ :"
Title = "HESAP NO SİLME" ' Set title.
Default = "xxx" ' Set default.
MyValue = InputBox(Message, Title, Default)

If StrPtr(MyValue) = 0 Then
blnExt = True
ElseIf (MyValue = Default) Then
blnExt = True
End If

If blnExt = True Then Exit Sub

lr = Cells(Rows.Count, 3).End(xlUp).Row
For i = lr To 10 Step -1
If Cells(i, 3) = MyValue Then Rows(i & ":" & i).EntireRow.Delete
Next i
Range("B2").Select
End Sub