H4 to F1 in usa,can I use 5000 treaty2004-02-26 14:59:32

I got H4 visa to come to USA in 2002, then changed to F1 in 2003, now my H1 was just approved on 2/15/04. When I prepare 2003 tax return, can I use student $5000 treaty? Thank you for your help.