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

????? ????????? ???????? ???? ???? ????? ????? ?? ????? ??? ???? ?????? ??? ??????? ?? ??????. ???? ????? ??? ?????? flexibility ???????. ??? ???????? ???? ?????? ??? ?????? ???????: ??????? ??????? : ????? ???????: ????? ?????? ?? ???? ?? ???? ?? ???? ?????? ?????? ??????? ?? ??????? ???? ?? ?????? ????? ?????? ???????? ????? ???