Of course you CAN. But why should you be forced to do so?
It is well known that Flash is a dead end and HTML5 will be the future, so better get yourself ready (yeah I mean you BB) than wait and become a dinosaur (extinct).
Größter Knecht aller Zeiten aka His Excellency aka President for Life aka Field Marshal Al Hadji aka Lord of All the Beasts of the Earth and Fishes of the Seas aka aka Conqueror of the Buzzerbeater Empire in Europe in General and Austria in Particular