Function: tan(numbers("xyx") if numbers("xxr") > numbers("yxx") else numbers('epe')) if sum(tan(numbers("xyx") if numbers("xxr") > numbers("yxx") else numbers('epe')), numbers("yxx") if numbers("xyx") > numbers("xxr") else numbers('epe')) > invert(sum(tan(numbers("xxr") if numbers('epe') > numbers("xyx") else numbers("yxx")), numbers("yxx") if numbers("xxr") > numbers("xyx") else numbers('epe'))) else numbers("xxr") if numbers('epe') > numbers("yxx") else numbers("xyx")