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 horse standing in a grassy field with trees'. Count the number of consonants in the given sentence.

Output: 24


Input: Consider Input: Sentence: 'a clear polka dotted umbrella attached to a pole'. Count the number of consonants in the given sentence.

Output: 23


Input: Consider Input: Sentence: 'this is a group of boys with their boards'. Count the number of consonants in the given sentence.


Output: 21