Are the paints...

[shaneduce]

For the A/B interchangeable? 

[IronMike]

53 minutes ago, shaneduce said:

For the A/B interchangeable? 

In principle, yes, but you would have to try on a skin by skin basis. You can simply move them from the A to the B folder or vice versa and see if they work ok. Note that you will have to do that again after each update unfortunately.