Codeforces Round #447 (Div. 2)

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　A. QAQ "QAQ" is a word to denote an expression of crying. Imagine "Q" as eyes with tears and "A" as a mouth. Now Diamond has given Bort a string consisting of only upperc

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