Lucky Primes

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Ajay has had bad luck for the last 7 years. His friend blames his reckless decision making for this and suggests him to respect 'Vaastu' and follow astrology as everything is achievable if it's written in the stars. His astrologer, (yes, he has an astrologer) has told him that his luck is going to change in the $k$th lunar eclipse and that 'the answer is in the primes'. He wants to try his luc

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solution.cppC++17

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