%EC%A2%85%EB%A1%9C%EB%A7%88%EC%82%AC%EC%A7%80%D1%89%20%E3%80%90optop10.%EF%BD%83%EF%BC%AFm%E3%80%91%E2%9C%B4%EC%A2%85%EB%A1%9C%EC%B6%9C%EC%9E%A5%EC%95%88%EB%A7%88%E2%9C%8D%EC%A2%85%EB%A1%9C%EC%B6%9C%EC%9E%A5%EC%98%A4%ED%94%BC%E2%9C%AB%EC%A2%85%EB%A1%9C%EB%A3%B8%EC%8B%B8%EB%A1%B1%E2%99%9B%EC%A2%85%EB%A1%9C%EC%95%84%EB%A1%9C%EB%A7%88%E2%9D%84%EC%A2%85%EB%A1%9C%ED%85%8C%EB%9D%BC%ED%94%BC