??????? ??????? ????? 3 ????? ????.

�

??????:

�

� ??? ???? ????
??? ???? ????
??? ????? ???

�

???? ?????:

�

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

2. ???? ??????? ?????? ?????, ?? ????? ????? ??????? ??????.

�