PROGRAMMING:Output score

```
The characters are used to represent the achievement level, and a represents [90-100], B represents [80-90], and a represents [90-100]
C stands for [70-80], D stands for [60-70], e stands for [0-60]. Please input one by programming
Character, output the score range represented by this character. If the input character is not ABCDE
Output: error!
```
###Input example:
```in
A
```
###Output example:
```out
[90-100]
```
###Input example:
```in
X
```
###Output example:
```out
Error!
```







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