Function: invert(numbers("xxx") if sum(numbers("xxx"), numbers("xyx")) > numbers("xyx") if sum(numbers("xxx"), numbers("xyx")) > numbers("xxx") else numbers("per") else numbers("xyx") if numbers("xxx") if numbers("per") > numbers("xyx") else sum(numbers("xxx"), numbers("xyx")) > sum(numbers("xxx"), numbers("xyx")) else numbers("xxx"))
