Function: minus(sum(numbers('yxy'), numbers("yxx")), numbers('yxy')) if numbers("yxx") > sum(numbers('yxy'), numbers("yxx")) else numbers('yxy') if numbers('yxy') > sum(numbers('yxy'), numbers("yxx")) else minus(sum(numbers('yxy'), numbers("yxx")), numbers('yxy')) if numbers('yxy') if sum(numbers('yxy'), numbers("yxx")) > numbers("yxx") else minus(sum(numbers('yxy'), numbers("yxx")), numbers('yxy')) > minus(sum(numbers('yxy'), numbers("yxx")), numbers('yxy')) else sum(numbers('yxy'), numbers("yxx"))