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 two  grey elephants was trailing each other across the road'. Count the number of vowels in the given sentence.

Output: 19


Input: Consider Input: Sentence: 'a cat that is laying down on a couch'. Count the number of consonants in the given sentence.

Output: 17


Input: Consider Input: Sentence: 'a train sitting in a train station covered in graffiti'. Count the number of consonants in the given sentence.


Output: 26