I want to be a good programmer and want to develop my own programs. What should I choose?

Hey. I am perusing 12th (non med) . I want to be a good programmer . I am even interested in programming . I want to make my own programs (softwares or games) . What should I choose for my future after +2 to be good in it which can also help me in getting a good job as a programmer? BCA, BCS.etc.