Problem B

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### Input: - First line will contain $T$, number of testcases. Then $T$ testcases follow. - Each testcase contains a single integer $X$. ### Output: For each testcase, output a single integer in a new line denoting the answer. ### Constraints - $1 \leq T \leq 10^4$ - $1 \leq X\leq 40$ ### Sample Input: 2 4 5 ### Sample Output: 2 -1

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solution.cppC++17

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