PROGRAMMING:Highest score, lowest score, average score
Input the scores of 6 students from the keyboard, and count the highest score, lowest score and average score.
###Input format:
Enter six integers separated by spaces on one line.
###Output format:
Output results in different rows, the results are integers, no column width control, no spaces before and after the results, please refer to the output example.
###Input example:
```in
56 89 48 78 58 92
```
###Output example:
```out
max:92
min:48
avg:70
```
answer：If there is no answer, please comment
###Input format:
Enter six integers separated by spaces on one line.
###Output format:
Output results in different rows, the results are integers, no column width control, no spaces before and after the results, please refer to the output example.
###Input example:
```in
56 89 48 78 58 92
```
###Output example:
```out
max:92
min:48
avg:70
```
answer：If there is no answer, please comment