Function: minus(mod(numbers('yxy') if numbers("yxx") > numbers("xyx") else numbers('epe'), numbers("xyx")) if numbers("yxx") if numbers('epe') > numbers("xyx") else numbers('yxy') > abs(mod(numbers('epe') if numbers('yxy') > numbers("yxx") else numbers("xyx"), numbers("xyx"))) else numbers("xyx"), abs(mod(numbers('epe') if numbers('yxy') > numbers("xyx") else numbers("yxx"), numbers("xyx"))))