Non Overlapping Substring

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You are given string s. Your task is to determine if the given string s contains two non-overlapping substrings "AB" and "BA" (the substrings can go in any order). Input The only line of input contains a string s of length between 1 and 105 consisting of uppercase Latin letters. Output Print "YES" (without the quotes), if string s contains two non-overlapping substrings "AB" and "BA", and "N

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solution.cppC++17

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