?? ??????? ???????, ??? ?????? ??????. ????? ?? ????? ?????? ????? {???? ??? { | ????? { | ???? . ??? ??????? , {?????? { | ????? { | ????????? { ?? ?????? , {???????? { | ??????? { | ?????????? { {?????? ???????? . ??? ??? ????? ???????? ??? ????? ?? ?????? ????? ????? ??? ????. ?? ???? ?????