PROGRAMMING:Goodbye a + B
Input two integers a, B, output their sum, but input a little trouble Oh
The format is ZWG: number a CGL: number B, separated by spaces
Refer to the input and output examples for details
###Input example:
```in
zwg:1 cgl :2
```
###Output example:
```out
three
```
answer：If there is no answer, please comment
The format is ZWG: number a CGL: number B, separated by spaces
Refer to the input and output examples for details
###Input example:
```in
zwg:1 cgl :2
```
###Output example:
```out
three
```
answer：If there is no answer, please comment