Rishav and his phone

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Remember the old Nokia phones our parents used to have in which you have to press number 2 three times to type 'c' and so on... well Rishav has one. Now he sent a message S to his friend. His friend asked him how many times did he press the buttons to send this message. Our friend Rishav is a little weak in logical thinking and calculations, it would be great if you help him. Thanks! Input The

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solution.cppC++17

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