A. Vowels
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

Welcome to our foolish round, We hope you enjoy the problems, Only those who are fool can solve the problems!

You'll be given a string, Find the answer and print it.

Input

In the first line you'll get a string of lowercase English letters.

$$$1 \le |s| \le 100$$$.

Output

Print a single integer.

Examples
Input
abue
Output
3
Input
amir
Output
2
Input
qwsdr
Output
0