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 mirror is on a pole by a light'. Count the number of vowels in the given sentence.

Output: 10


Input: Consider Input: Sentence: 'several softball players pause while onlookers chat together in a park'. Count the number of consonants in the given sentence.

Output: 37


Input: Consider Input: Sentence: 'two large brown dog is laying down on top of the couch together'. Count the number of vowels in the given sentence.


Output: 18