%EA%B0%95%EB%8F%99%EA%B5%AC %EC%95%84%EB%A6%AC%EC%88%98%EB%A1%9C50%EA%B8%B850 %EB%9E%98%EB%AF%B8%EC%95%88%ED%9E%90%EC%8A%A4%ED%85%8C%EC%9D%B4%ED%8A%B8