Function: invert(mean(abs(numbers("xxy") if numbers('yxr') > numbers('xyy') else numbers('yxr')), numbers('yxr') if numbers('yxr') > numbers("xxy") else numbers('xyy'))) if mean(abs(numbers('xyy') if numbers("xxy") > numbers('yxr') else numbers('yxr')), numbers('yxr') if numbers('xyy') > numbers("xxy") else numbers('yxr')) > abs(numbers('yxr') if numbers("xxy") > numbers('yxr') else numbers('xyy')) else logn(invert(mean(abs(numbers('yxr') if numbers("xxy") > numbers('xyy') else numbers('yxr')), numbers('yxr') if numbers('yxr') > numbers('xyy') else numbers("xxy"))))