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 toddler smiling with a bear behind them'. Count the number of consonants in the given sentence.

Output: 22


Input: Consider Input: Sentence: 'two bundled up men sit in lawn chairs next to a row of tents and a protest sign'. Count the number of vowels in the given sentence.

Output: 21


Input: Consider Input: Sentence: 'a bunch of sheep grazing on some grass'. Count the number of consonants in the given sentence.


Output: 20