Function: mod(minus(numbers("yyy"), numbers('epe')) if numbers("yyy") > numbers('epe') else numbers('yxy'), minus(numbers("yyy"), numbers('epe'))) if minus(numbers("yyy"), numbers('epe')) > minus(mod(minus(numbers("yyy"), numbers('epe')) if numbers('yxy') > numbers("yyy") else numbers('epe'), minus(numbers("yyy"), numbers('epe'))), numbers('yxy') if minus(numbers("yyy"), numbers('epe')) > numbers('epe') else numbers("yyy")) else numbers('yxy') if minus(numbers("yyy"), numbers('epe')) > numbers('epe') else numbers("yyy")