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 white dog laying on top of a grass covered field'. Count the number of consonants in the given sentence.

Output: 24


Input: Consider Input: Sentence: 'a man riding skis while holding two ski poles'. Count the number of consonants in the given sentence.

Output: 24


Input: Consider Input: Sentence: 'a parking lot has some benches and a building lot next to it'. Count the number of vowels in the given sentence.


Output: 18