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swaping number

Swap two numbers numbers without using 3rd variable and then print the given number you have given two numbers if the sum of these two number is even then print numbers as it else print the number with swap ### Input - First line will contain $T$, number of testcases. Then the testcases follow. - Each testcase contains of a single line of input, two integers $A, B$. ### Output For each testcase,

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solution.cppC++17

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