#maximum and

[codeifyoucansolve]

Maximum AND

Given two numbers A and B. Find the value of pair (P,Q) such that A <= P < Q <= B value of P AND Q is maximum where AND is a binary operator. Refer to this link for more information about AND operator : http://en.wikipedia.org/wiki/Bitwise_operation#AND

Input: First line of input contains number of test cases T. Each test case contains two numbers A and B.

Output: For each test case print the…

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