PROGRAMMING:Sort data

Input several positive integers, sort them in ascending order and output them.
###Input format:
Enter several numbers on a line, separated by spaces.
###Output format:
Output the number sorted in ascending order, separated by spaces, and there are spaces after the last number
###Input example:
Here is a set of inputs. For example:
```in
4 5 67 3 99 2 7
```
###Output example:
The corresponding output is given here. For example:
```out
2 3 4 5 7 67 99
```







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