(????)??????????:??
2?1???,??? ? ???????????????????? 2?1???,????? ? ??????????????????? 2????????1?,??????? ???????? ????? 2?????1????????,???????? ????? ? 2????????1??,?????????? ? ? 2?????1???,????????,?????????????? ? ?????????????????? 2?????1???,????? ???????????????????????? ? 2?????????????????1????????,??????? ??????????????????????? ????????????????????? 2?????1?????????????????????,?????????? ? ????? 2?1?????,?????????????????????????????????????????????????? ? ?????????????????? 2???1???,?????????? ? ????? ?????????:????
??
???:????