Function: sum(numbers("yyy"), numbers('rrr')) if sum(numbers("yyy"), numbers('rrr')) if numbers('rrr') > numbers("yyy") else minus(sum(numbers("yyy"), numbers('rrr')), numbers("yyy")) > minus(sum(numbers("yyy"), numbers('rrr')), numbers("yyy")) else sqrt(numbers("yyy") if sum(numbers("yyy"), numbers('rrr')) > numbers('rrr') else minus(sum(numbers("yyy"), numbers('rrr')), numbers("yyy")))