PROGRAMMING:Find the maximum and minimum
Input several (at least one) positive integers and output their maximum and minimum values.
###Input format:
Enter several numbers on a line, separated by spaces.
###Output format:
Output the maximum and minimum values as follows:
Max=？
Min=？
###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
Max=99
Min=2
```
answer：If there is no answer, please comment
###Input format:
Enter several numbers on a line, separated by spaces.
###Output format:
Output the maximum and minimum values as follows:
Max=？
Min=？
###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
Max=99
Min=2
```
answer：If there is no answer, please comment