what are the core exam i should take in order to pass MCAD exam



Kindly let me, what are the core exam I need to complete in order to pass MCAD?
I would like to take Exam MCAD before March 2009,but some core exam
70-306,70-316 & 70-305,70-315 all going to retire in march 2009,can you
advice me, what core exam I should take, but I am well prepared in 70-306 &
70-316.thanks
.