Function: band pass(sum(numbers('yxy'), numbers('ryy')) if numbers('yxy') > numbers('rrr') if sum(numbers('yxy'), numbers('ryy')) > numbers('yxy') else numbers('ryy') else numbers('yxy') if numbers('ryy') > numbers('rrr') if numbers('ryy') > sum(numbers('yxy'), numbers('ryy')) else numbers('yxy') else sum(numbers('yxy'), numbers('ryy')))