Lose A Phone

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Shivam has a certain affinity towards mobile phones. However, due to his careless nature, he tends to lose them just as quickly as he buys them. Luckily for him his friend Ram is ready to help him out. Ram notices that every phone Shivam has purchased has a number N written on it. Furthermore, due to his habit of rushing into conclusions, Ram thinks he has noticed a pattern in these phone losses.

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solution.cppC++17

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