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: 'two zebras that are standing in the grass'. Count the number of vowels in the given sentence.

Output: 11


Input: Consider Input: Sentence: 'a black cat is sitting near a mirror and a picture'. Count the number of consonants in the given sentence.

Output: 24


Input: Consider Input: Sentence: 'a teenager on a blue skateboard has his arm in the air'. Count the number of consonants in the given sentence.


Output: 23