Count the vowels

Problem

A writing tool counts vowels in a line. The vowels are a, e, i, o and u, in lower or upper case.

Read one line and print how many vowels it has.

Example

Input

Mentor Nxt

Output

The vowels are e and o.

Try the problem first. Open one hint at a time.

Hint 1

Walk over the characters with a for loop and keep a counter.

Hint 2

Make the text lower case first, then test each character with in "aeiou".

Write your Python code, run it on the examples and submit it to hidden tests.