3fb8c32fffd711ab6fb8d38a4683746f7dcb97c78e5f5bc77bfe53012f76074c656add78ab5a8f3435b27e1694

-1~1에 원점대칭이길래 tanh넣으니까 답이네 ㅅㅂㅋㅋㅋㅋㅋ

- dc official App