Equal Coins

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Chef has $X$ coins worth $1$ rupee each and $Y$ coins worth $2$ rupees each. He wants to distribute all of these $X+Y$ coins to his two sons so that the total value of coins received by each of them is the same. Find out whether Chef will be able to do so. ### Input - The first line of input contains a single integer $T$, denoting the number of testcases. The description of $T$ test cases follows

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solution.cppC++17

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