PROGRAMMING:Binary sort
###Title Description
Give you two integers, please output from small to large.
###Input Description:
Several groups of data, each group of data occupies a row, each group of data is two integers, separated by spaces.
###Output Description:
Each group of data is re output from small to large according to the requirements, with a space between the two integers, and each group of data occupies a single line.
###Requirements
Please play what you have learned and use pointer programming.
###Input sample
```in
6 1
8 5
```
####Output sample
```out
1 6
5 8
```
answer：If there is no answer, please comment
Give you two integers, please output from small to large.
###Input Description:
Several groups of data, each group of data occupies a row, each group of data is two integers, separated by spaces.
###Output Description:
Each group of data is re output from small to large according to the requirements, with a space between the two integers, and each group of data occupies a single line.
###Requirements
Please play what you have learned and use pointer programming.
###Input sample
```in
6 1
8 5
```
####Output sample
```out
1 6
5 8
```
answer：If there is no answer, please comment