BasicStrings10 points

Count the vowels in a customer message

A support team wants a quick statistic about the messages customers send. Vowels are the letters a, e, i, o, u, in upper or lower case.

Task: read one line of text and print how many vowels it contains.

Sample tests

Input

Hello World

Expected output

3

Input

My order has not arrived yet

Expected output

8

Your answer is also checked against 2 hidden tests.