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Anton loves creating strings! Anton now wants to create a string $S$ following some specific rules. They are as follows: Initially, $S$ is empty. Then, Anton can perform two types of operations on $S$: 1. Choose a lowercase Latin character (an element of $\{a, b, c, \ldots, z\}$) and append it to $S$. For example, if currently $S = \texttt{clap}$, Anton can turn it into one of $\{\texttt{clapa},

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solution.cppC++17

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