Function: sum(mod(gradient[2](cos(numbers('xyy') if numbers("xyx") > numbers('epe') else numbers('rrr'))), cos(numbers('rrr') if numbers('epe') > numbers("xyx") else numbers('xyy'))), gradient[2](cos(numbers('xyy') if numbers('rrr') > numbers("xyx") else numbers('epe'))))
