ora-01036 illegal variable name number in VB.net 2005

[Jacn]

Hi! I have a several problem with the oracle connection and ADO, I use a executenonquery for a select sentence and I use two output parameters and two input parameters, when I run the application an error named "ora-01036 illegal variable name number" appears, where is the error?
Help me, please

Public cnMinisuper As New OracleConnectio n("Data Source=MINISUPE ;Persist Security Info=True;User ID=minisuper;pa ssword=minisupe r;Unicode=True" )

Dim sql As String

sql = "SELECT IDTIPOEMP, NOMBRE INTO :IDTIPOEMP, :NOMBRE FROM TEMPLEADO WHERE IDEMPLEADO = &EMPLEADO AND PASSWORD_2 = '&PASS'"

Dim cmAcceso As New OracleCommand(s ql, cnMinisuper)

Dim IDTIPOEMP As OracleParameter = cmAcceso.Parame ters.Add(New OracleParameter (":IDTIPOEMP ", OracleType.Numb er, 10, _
ParameterDirect ion.Output, False, 5, 0, "", DataRowVersion. Current, Nothing))

Dim NOMBRE As OracleParameter = cmAcceso.Parame ters.Add(New OracleParameter (":NOMBRE", OracleType.VarC har, 45, _
ParameterDirect ion.Output, False, 5, 0, "", DataRowVersion. Current, Nothing))

Dim IDEMPLEADO As OracleParameter = cmAcceso.Parame ters.Add( _
New OracleParameter ("&IDEMPLEAD O", OracleType.Numb er, 10))

Dim PASS As OracleParameter = cmAcceso.Parame ters.Add( _
New OracleParameter ("&PASS", OracleType.VarC har, 45))

cmAcceso.Parame ters("&IDEMPLEA DO").Value = CInt(txtEmplead o.Text)
cmAcceso.Parame ters("&PASS").V alue = CStr(txtPasswor d.Text)

cnMinisuper.Ope n()

Dim NumOfRows As Integer = cmAcceso.Execut eNonQuery()

cnMinisuper.Clo se()