Function: sum(product(round(cos(numbers('xyy') if numbers("yxx") > numbers("yxx") if numbers('xyy') > numbers('xyy') else numbers('rep') else numbers('rep')), numbers('xyy') if numbers("yxx") > numbers('rep') if numbers('xyy') > numbers("yxx") else numbers('xyy') else numbers('rep')), cos(numbers("yxx") if numbers('rep') if numbers("yxx") > numbers('xyy') else numbers('xyy') > numbers('rep') else numbers('xyy'))), round(cos(numbers("yxx") if numbers('xyy') > numbers('rep') else numbers('xyy') if numbers('xyy') > numbers("yxx") else numbers('rep')), numbers("yxx") if numbers('xyy') if numbers("yxx") > numbers('rep') else numbers('xyy') > numbers('xyy') else numbers('rep')))