Function: product(product(mod(minus(numbers('yxy') if numbers("per") > numbers('yyx') else numbers('rep'), numbers('yxy')), numbers('rep') if numbers("per") > numbers('yyx') else numbers('yxy')), minus(numbers('rep') if numbers("per") > numbers('yyx') else numbers('yxy'), numbers('yxy'))), mod(minus(numbers('yyx') if numbers('yxy') > numbers("per") else numbers('rep'), numbers('yxy')), numbers("per") if numbers('yyx') > numbers('rep') else numbers('yxy')))
