Unique Candies

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Tanaya's birthday is near and she is busy in buying gifts for her friends. Her friends love candies. Moreover they love unique candies. There are **N** number of candies which are numbered from **1** to **N** and Tanaya wants to buy only unique candies. A unique candy is such a candy whose number is not divisible by any other candy's number except the first candy's number and the number of that c

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