[计] list-directed input/output statement

biǎo shì shū rù shū chū yǔ jù ㄅㄧㄠˇ ㄕˋ ㄕㄨ ㄖㄨˋ ㄕㄨ ㄔㄨ ㄩˇ ㄐㄩˋ