???? ???????? ?????? ?????? ?? ?????? ?????? ???? ???? ????? ??????. ???????? ???? ?????? ??????? ???????? ????? ?????? ????? ????? ???? ????? ??????? ????? ?????? ?????? ?? ???? ????? ??? ???? ???? ????? ??????? ????? ??? ????? ???? ????? ?? ??? ?? ????? ?? ?? ??? ??????? ????? ??????? ??????? ?????? ?????? ??????? ?????? ???????. keyboard_a