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 skateboarder skating down a steep hill marked with cones'. Count the number of consonants in the given sentence.

Output: 31


Input: Consider Input: Sentence: 'a cat sleeping on a bed next to a window in a room'. Count the number of consonants in the given sentence.

Output: 21


Input: Consider Input: Sentence: 'a tall giraffe bending down to snuggle a baby giraffe'. Count the number of consonants in the given sentence.


Output: 28