15-02. %ED%8C%A8%EC%8B%9C%EB%B8%8C%ED%95%98%EC%9A%B0%EC%8A%A4 %EA%B3%B5%EB%8F%99%EC%A3%BC%ED%83%9D%2C %EB%A7%88%ED%95%98%ED%8A%B8%EB%A7%88%EA%B0%84%EB%94%94 %EA%B1%B0%EB%A6%AC%2C %EC%8A%A4%ED%8A%9C%ED%8A%B8%EA%B0%80%EB%A5%B4%ED%8A%B8