Problem Setting at C-BAY

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Ayush loved XORs and Shiv loved Prime Numbers. So, they decided together to frame a question for C-BAY. The question finally framed was very simple. You are given a number N, find the next bigger prime number M whose XOR with the given number will be greater than or equal to N. Unfortunately they could not solve it themselves. They finally proposed it to their Senior Anurag. He saw the problem

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solution.cppC++17

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