Walter and His Customers

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Walter is the best in making crystals and due to which his crystal’s popularity grew. It grew so much that it was not enough for everyone. So Jesse gave a unique number to all the customers and thought that whose number is divisible by 2 and by 3 are eligible to buy their product. But if the unique number is divisible by 5, then that customer is not eligible to buy his product. Walter and Jess

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solution.cppC++17

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