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 crowd of people at a festival type event in front of a clock tower'. Count the number of consonants in the given sentence.

Output: 33


Input: Consider Input: Sentence: 'some kids near a pizza topped with greens'. Count the number of vowels in the given sentence.

Output: 13


Input: Consider Input: Sentence: 'a herd of sheep is on the side of the road and a bus drives through'. Count the number of consonants in the given sentence.


Output: 31