Function: gradient[0](divide(mean(numbers('yxy') if mod(numbers('yyx'), numbers("yxx")) > numbers("yxx") else numbers('yyx'), mod(numbers('yyx'), numbers("yxx"))), numbers('yyx') if numbers("yxx") > numbers('yxy') else mod(numbers('yyx'), numbers("yxx")))) if numbers('yyx') if numbers("yxx") > mod(numbers('yyx'), numbers("yxx")) else numbers('yxy') > divide(mean(numbers("yxx") if numbers('yyx') > mod(numbers('yyx'), numbers("yxx")) else numbers('yxy'), mod(numbers('yyx'), numbers("yxx"))), numbers('yxy') if mod(numbers('yyx'), numbers("yxx")) > numbers("yxx") else numbers('yyx')) else mean(numbers('yxy') if mod(numbers('yyx'), numbers("yxx")) > numbers("yxx") else numbers('yyx'), mod(numbers('yyx'), numbers("yxx")))