Function: mod(numbers("xxx") if numbers("yxx") > numbers('rrr') else numbers("per"), numbers("yxx")) if numbers("yxx") > numbers("per") else numbers("xxx") if numbers("per") > numbers("yxx") else numbers('rrr') if mod(numbers("yxx") if numbers("xxx") > numbers('rrr') else numbers("per"), numbers("yxx")) if numbers("per") if numbers("xxx") > numbers("yxx") else numbers('rrr') > numbers("yxx") else mod(numbers('rrr') if numbers("yxx") > numbers("per") else numbers("xxx"), numbers("yxx")) if numbers("yxx") > numbers("yxx") if numbers("per") > numbers("xxx") else numbers('rrr') else numbers("per") > numbers('rrr') if numbers("per") > numbers("yxx") else numbers("xxx") else mod(numbers('rrr') if numbers("per") > numbers("xxx") else numbers("yxx"), numbers("yxx"))