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 half in a toilet'. Count the number of vowels in the given sentence.

Output: 10


Input: Consider Input: Sentence: 'cars are waiting for a train to pass in a city intersection'. Count the number of consonants in the given sentence.

Output: 28


Input: Consider Input: Sentence: 'two men walking down the street in the city'. Count the number of vowels in the given sentence.


Output: 11