Counting vowels in a string

Kotlin Easy strings

Task «Counting vowels in a string»

Write a program that reads a string and counts the number of vowel letters (a, e, e, i, o, u, y, e, yu, ya) in it. The case of the letters does not matter. The program should output a single integer — the number of vowels.

Input Format

One line containing arbitrary characters (letters, digits, spaces, punctuation marks). The length of the string does not exceed 1000 characters.

Output Format

One integer — the number of vowel letters in the string.

Examples

Example 1

INPUT
Привет, мир!
OUTPUT
3

Example 2

INPUT
Hello World
OUTPUT
0

Example 3

INPUT
5 1 2 3 4 5
OUTPUT
0

Example 4

INPUT
12345
OUTPUT
0

Example 5

INPUT
6 1 2 2 3 4 5
OUTPUT
0
main.kt