what to train

idk what i should get my current skills are 40 attak 85 str 80 range 79 hp and 1 def and prayer (60cb)im gonna go for free 2 pplay pure for now im wondering if i should do str since is easy for me, till 91 or higer and do prayer to 31 and be a melee pure and aprox (67cb) ( im affraid my cb will be to higth cuz of hp) or rage 2h and have like 91 str and prob 85 range but 1 prayer arpox cb (63-64...helpp ? which one owns more