If you then er, it will then ask you over what period do you want to  right so if you press the end key that will submit the job erm it asks for the sample period, we're going to use the whole of the sample, so if you just press the return key, that's the default for the whole of the sample, right, it then asks you what procedure you want to use to estimate the model, we're going to use O L S  option one, just press the return key O L S then  the computer has estimated the model, right.