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 boy swinging his bat towards a baseball'. Count the number of vowels in the given sentence.

Output: 12


Input: Consider Input: Sentence: 'two girls who are both biting a chocolate doughnut'. Count the number of consonants in the given sentence.

Output: 26


Input: Consider Input: Sentence: 'a dog herding the sheep by running towards them'. Count the number of consonants in the given sentence.


Output: 27