PROGRAMMING:A + B (multi group data 3)
###Problem description
There are several groups of integer pairs, and the sum of each logarithm is obtained.
###Input format:
Several rows, each with two integers (absolute value not more than 10000).
###Output format:
The calculation results of each group of data are displayed on a separate line.
###Input example:
```in
18 -299
1 1
-5 8
```
###Output example:
```out
-281
two
three
```
answer：If there is no answer, please comment
There are several groups of integer pairs, and the sum of each logarithm is obtained.
###Input format:
Several rows, each with two integers (absolute value not more than 10000).
###Output format:
The calculation results of each group of data are displayed on a separate line.
###Input example:
```in
18 -299
1 1
-5 8
```
###Output example:
```out
-281
two
three
```
answer：If there is no answer, please comment