์น˜์™€์™€๋ผ ์ž‘์€ ๋ชจ๋ธ ์„ ํ˜ธํ•˜๋Š”๋ฐ ๊ฐ€๊ฒฉ์€ z1์ด ์‹ธ๊ธด ํ•˜๋˜๋ฐ