PROGRAMMING:pass rate
Keyboard input n scores [0-100], 60 points (including) for pass, now require according to the input n scores to calculate the pass rate and output, the results retain two decimal places (rounded).
###Input format:
Enter an integer n in the first line to represent the number of grades, and then there are n real numbers [0-100] in the second line to represent grades, separated by a space.
###Output format:
Use one line to output the pass rate, and keep the result to two decimal places (round off).
###Input example:
```in
five
56.5 80 95 49 60
```
###Output example:
```out
zero point six zero
```
answer：If there is no answer, please comment
###Input format:
Enter an integer n in the first line to represent the number of grades, and then there are n real numbers [0-100] in the second line to represent grades, separated by a space.
###Output format:
Use one line to output the pass rate, and keep the result to two decimal places (round off).
###Input example:
```in
five
56.5 80 95 49 60
```
###Output example:
```out
zero point six zero
```
answer：If there is no answer, please comment