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: 'a dirty nasty toilet that is broken in half'. Count the number of vowels in the given sentence.

Output: 12


Input: Consider Input: Sentence: 'an elephant standing on a dirt patch near a forest'. Count the number of vowels in the given sentence.

Output: 15


Input: Consider Input: Sentence: 'a person sitting on a weird looking bike by a sign'. Count the number of vowels in the given sentence.


Output: 16