Function: mean(sum(divide(numbers('xyy') if numbers('epe') > numbers('xyy') else numbers("xyx") if numbers("xyx") > numbers('epe') else numbers('xyy'), numbers('xyy') if numbers("xyx") > numbers('xyy') else numbers('epe')), numbers('epe') if numbers('xyy') > numbers("xyx") else numbers('xyy') if numbers('epe') > numbers("xyx") else numbers('xyy')), divide(numbers('xyy') if numbers("xyx") > numbers('epe') else numbers('xyy') if numbers("xyx") > numbers('xyy') else numbers('epe'), numbers('epe') if numbers('xyy') > numbers("xyx") else numbers('xyy')))