{??????????????????? ?????? ??? ???????????? ???? a ???????? U-??? ?????????????? ????????? ???? ???{??????????? ??????? ???? ?????????? ??? a ????? ???????????? ???????????, ?????? ?????? ?????????????? offer ??? give ??? ??????? ????????????????? ?? ??????????? ??????? |?????????? ???????????? ?????????? ???????? ???????? ????? ??? ?????? ??????