In this task, you need to count the number of vowels (letters 'a', 'e', 'i', 'o', 'u') / consonants (all letters other than vowels) in the given sentence.

Ex Input:
Sentence: 'a big building with a clock built into the top'. Count the number of vowels in the given sentence.

Ex Output:
14


Ex Input:
Sentence: 'a small plane sits at the end of a small runway'. Count the number of vowels in the given sentence.

Ex Output:
13


Ex Input:
Sentence: 'a desert dish has powdered sugar on it'. Count the number of vowels in the given sentence.

Ex Output:

12