Const CRLF = Chr(13) & Chr(10)
Dim As String currline, maxtime
Dim As Integer counter = 0, max = 0
Dim As String filename = "mlijobs.txt"

Open filename For Input As #1
While Not Eof(1)
    Line Input #1, currline

    If Mid(currline,9,3) = "OUT" Then
        counter += 1
    Else
        counter -= 1
    End If
    If counter > max Then
        max = counter
        maxtime = Mid(currline,15,19)
    Elseif counter = max Then
        maxtime &= CRLF & Mid(currline,15,19)
    End If
Wend
Print Str(max); " license(s) used at ;"; CRLF; maxtime
Close #1
Print !"\nPress ENTER to exit"
Sleep