Function: sum(minus(numbers("xxx"), numbers("yxx")) if numbers("xxx") > numbers("yxx") else numbers('ryy') if numbers("xxx") > 2 *(numbers("xxx") if numbers("yxx") > minus(numbers("xxx"), numbers("yxx")) else numbers('ryy')) else minus(numbers("xxx"), numbers("yxx")), 2 *(numbers('ryy') if minus(numbers("xxx"), numbers("yxx")) > numbers("yxx") else numbers("xxx")))
