?
????????? ??????
??? ?
????????? ???????
??????? ?? ????? ??? ???? ??????? ??? ??????????? ????????? ???? ??????, ??
????
????
?????
??? ????
???????
, ???? ??? ??????? ??? ???????????? ??? ?? ????????????
?????
???? ??? ????? ???? ??
???????
???? ???????.
????? ????? ??????? ???????? ? ??????: 1) ??? ??????, ??? 2) ???????????, ????? ??????? ?
??????????
??????
??? ? ?????.
??????? ??? ????? ??????? ?????????? ???? ??????
???????
??? ???? ?????? ????? ??? ??? ??????? ??? ????? ????? ?? ??? ??? ?????? ??????? ??? ?? ?????? ???????????.