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Some problems are really interesting, and other ones are not.
This problem certainly belongs to the latter category.
You are just to add two integers.
The first line of input contains an integer
() denoting the number of test cases.
Each of the following lines holds a description of a test tase:
two integers and
Your program should output exactly lines.
The -th of these lines should contain the number .
For the input data:
the correct result is: