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 cat that is laying down on a couch'. Count the number of consonants in the given sentence.

Output: 17


Input: Consider Input: Sentence: 'the door on a small fridge is open'. Count the number of consonants in the given sentence.

Output: 16


Input: Consider Input: Sentence: 'two food trucks parked and awaiting customers near a bunch of trees'. Count the number of consonants in the given sentence.


Output: 35