PROGRAMMING:Score of works
The national scratch competition for primary and secondary school students started. Each contestant can upload his works directly through the Internet. Everyone can judge this competition. Each network judge can score each work through the network. The scoring system is also designed by program experts, which can automatically remove a highest score and a lowest score, and calculate the average score.
###Input format:
The input data includes two lines: the first line is n, which means n judges, n > 2.
The second line is the score of N judges, with a space between the scores. The score can be given with a decimal part.
###Output format:
Output the average score, the result retains two decimal places.
###Input example:
```in
six
10 9 8 7.9 9 9.5
```
###Output example:
```out
eight point eight eight
```
answer：If there is no answer, please comment
###Input format:
The input data includes two lines: the first line is n, which means n judges, n > 2.
The second line is the score of N judges, with a space between the scores. The score can be given with a decimal part.
###Output format:
Output the average score, the result retains two decimal places.
###Input example:
```in
six
10 9 8 7.9 9 9.5
```
###Output example:
```out
eight point eight eight
```
answer：If there is no answer, please comment