??????:

�

2 ?????? ?????? ???? ????

??? ?????? ???? ?????? ???????

� ??? ?????? ????

??? ???? ?????? ?????? ??

???

??? ?????

???? ?????:

1. ?????? ?? ??????? ??????? ??????? ????? ?????.

2. ??????? ?? ?????? ????? ??? ??????? ???????? ????.

3. ??????? ??? ???? ?????, ??????? ?? ??????? ???????.