Function: minus(exp(numbers("per") if numbers('rep') > numbers("xxy") else numbers('xry'), numbers('rep')) if sum(exp(numbers('rep') if numbers('xry') > numbers("xxy") else numbers("per"), numbers('rep')), numbers("per") if numbers("xxy") > numbers('rep') else numbers('xry')) > numbers('rep') else numbers("per") if numbers("xxy") > numbers('xry') else numbers('rep'), sum(exp(numbers("xxy") if numbers('xry') > numbers('rep') else numbers("per"), numbers('rep')), numbers("xxy") if numbers("per") > numbers('rep') else numbers('xry')))