Counting vowels in a string

C++ Easy strings

Task «Counting vowels in a string»

Write a program that reads a string of text and counts the number of vowel letters (a, e, i, o, u) in it. The case of the letters is ignored. The length of the string does not exceed 100 characters. Output a single integer.

Input Format

One line of text consisting of Latin letters and spaces.

Output Format

One integer — the number of vowel letters.

Examples

Example 1

INPUT

Hello World

OUTPUT

3

Example 2

INPUT

Programming

OUTPUT

3

main.cpp