PROGRAMMING:A+B

This topic requires reading in 2 integers a and B, and then output their sum.
###Input format:
Enter 2 integers a and B with absolute value no more than 1000 in one line.
###Output format:
For each set of inputs, output the value of a + B in one line.
###Input example:
Here is a set of inputs. For example:
```in
12 -25
```
###Output example:
The corresponding output is given here. For example:
```out
-13
```







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