Two Equations

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Given two non-negative integers $a$ and $b$, determine if there exist any two non-negative integers $x$ and $y$ such that the following two equations hold true simultaneously. - $x + y = a$ - $x \oplus y = b$ Where $\oplus$ is the [bitwise xor operator](https://en.wikipedia.org/wiki/Bitwise_operation#XOR). ### Input - First line contains a single integer $T$, denoting the number of testcases. -

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solution.cppC++17

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