Given a string $S$ consisting of characters, count the number of vowels appearing in the string $S$. The vowels are the characters `u`, `e`, `o`, `a`, `i`.
### Input
- A single line containing the string $S$.
### Output
- Print the count of vowels.
### Constraints
- $1 \le |S| \le 1000$.
### Sample test
```
mArisA
```
Output:
```
3
```
