PAT A 1035

題目 爲了區分很差識別的字符(l和1,0和O),有如下代替方案: replace 1 (one) by @, 0 (zero) by %, l by L, and O by o. 輸入每一個ID和其密碼,若這些密碼不須要改進,輸出 There is 1 account and no account is modified Or There are M accounts and no account
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