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.

Input: Consider Input: Sentence: 'the sandwiches on the picnic blanket are cut in half'. Count the number of vowels in the given sentence.

Output: 15


Input: Consider Input: Sentence: 'a man standing on top of a boat next to a man in a straw hat'. Count the number of vowels in the given sentence.

Output: 18


Input: Consider Input: Sentence: 'a bunch of cars that are in the street'. Count the number of vowels in the given sentence.


Output: 11