Count Vowels in a Word
Count how many vowels appear in a lowercase word.
Input format
A single line with one lowercase word S.
Output format
Print how many vowels (a, e, i, o, u) appear in S.
Constraints
- Values fit in a 64-bit signed integer
- Trailing whitespace and a trailing newline are ignored by the judge
Read from stdin, write to stdout. Sample cases below show the exact format.
Sample cases
Example 1
Input
bananaExpected output
3Example 2
Input
skyExpected output
0