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

Output: 16


Input: Consider Input: Sentence: 'dog with collar next to open window in front of building'. Count the number of consonants in the given sentence.

Output: 30


Input: Consider Input: Sentence: 'a boy in a wheel chair on a tennis court'. Count the number of consonants in the given sentence.


Output: 17