???? ????? ??????.

??????:

�

??? ????? ??????
3 ????? ??? ??????
3 ???? ???
?????
� ???? ???
???? ???? ????

�

???? ?????:

�

1. ?????? ?? ?????? ???? ??????? ?-20 ???? ???? ?????, ?? ??????? ??????? ????? ??????.
2. ?????? ?? ???? ????, ?????? ?? ?????? ???????? ??????. ?????? ???? ?????? ????, ??????? ???????.