Calculate the sum *a*+*b* for given integers *a* and *b*.

### Input

There will be provided certain number of data sets for the problem. Each data set consist of two integer numbers *a _{i}* and

*b*separated with a space, where

_{i}*i*is the number of the data set. Data sets are separated with a new line.

### Output

For *i*^{th} data set print the value of *a _{i}* +

*b*. Answers should be separated with a new line.

_{i}### Example

Input:2 3 10 -2 -1 5 -3 -3 0 1Output:5 8 4 -6 1