Alice and Bob like playing games. There are two piles of stones with numbers  and . Alice and Bob take turns to operate, each operation can take away  stones from one pile and take away  stones from another pile. Alice plays first. The person who cannot perform the operation loses the game. 

Please determine who will win the game if both Alice and Bob play the game optimally.

The first line contains an integer  denotes the total number of test cases.
Each test case contains two integers  in a line, indicating the number of two piles of stones.

For each test case, print "Alice" if Alice will win the game, otherwise print "Bob".

5
2 3
3 5
5 7
7 5
7 7

Bob
Alice
Bob
Bob
Alice