вы дура?? Википедию откройте!http://ru.wikipedia.org/wiki/%D0%92%D1%82%D0%BE%D1%80%D0%B0%D1%8F_%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D1%8F_%D0%B2%D0%BE%D0%B9%D0%BD%D0%B0