30%EB%85%84%EB%84%98%EC%9D%80 %EA%B5%AC%EC%B6%95%EC%95%84%ED%8C%8C%ED%8A%B8 %EC%B2%9C%EC%9E%A5 %EC%BD%98%ED%81%AC%EB%A6%AC%ED%8A%B8