{? ??? ???????? ???? ????? ?? ??????????{??|??|????????????????????????????????????|???|???|??|??????|?????????????????????? ????? ?????????????????????????? - ????????????????????????? for each and each ?????? ?? ???????????????? ??? ?? ????? ?? ????????????? {???|????|?????|?????|?????|??????|???? |????{?????|?????|??????????|?????|?????|?????|?