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 pretty young lady greeting a zebra at a zoo'. Count the number of consonants in the given sentence.

Output: 21


Input: Consider Input: Sentence: 'an older man smiles while picking green bananas'. Count the number of vowels in the given sentence.

Output: 15


Input: Consider Input: Sentence: 'the people are all crossing the street some have umbrellas'. Count the number of consonants in the given sentence.


Output: 30