Function: invert(sum(numbers("xxr"), numbers("yxx"))) if sum(numbers("xxr"), numbers("yxx")) > sum(numbers("xxr"), numbers("yxx")) if numbers("yxx") > numbers("xxr") else invert(sum(numbers("xxr"), numbers("yxx"))) else sum(numbers("xxr"), numbers("yxx")) if numbers("xxr") > invert(sum(numbers("xxr"), numbers("yxx"))) else numbers("yxx") if sum(numbers("xxr"), numbers("yxx")) > numbers("xxr") else invert(sum(numbers("xxr"), numbers("yxx")))