PROGRAMMING:Youyuan is very simple
The C + + exam is in progress. Please design a student class, whose student number and test scores are private data members. At the same time, there is a friend function student \ * average (student \ * P, int count) for the student with the highest score in this test
The above class names and friend functions must be in accordance with the requirements of the title and cannot be modified.
###Input format:
The input is student number ([0000199999]) and grade, ending with 0（ No more than 100 students)
###Output format:
The output is the student number of the student with the highest score. Tip: if it is the highest score, you need to output the student numbers of the students with the highest score, separated by a space.
###Input example:
```in
Here is a set of inputs. For example:
10001 90
10002 93
0
```
###Output example:
```out
The corresponding output is given here. For example:
ten thousand and two
```
answer：If there is no answer, please comment
The above class names and friend functions must be in accordance with the requirements of the title and cannot be modified.
###Input format:
The input is student number ([0000199999]) and grade, ending with 0（ No more than 100 students)
###Output format:
The output is the student number of the student with the highest score. Tip: if it is the highest score, you need to output the student numbers of the students with the highest score, separated by a space.
###Input example:
```in
Here is a set of inputs. For example:
10001 90
10002 93
0
```
###Output example:
```out
The corresponding output is given here. For example:
ten thousand and two
```
answer：If there is no answer, please comment