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 zebra with a gazelle in the background in a grassy field'. Count the number of vowels in the given sentence.

Output: 18


Input: Consider Input: Sentence: 'a while express bus at the side of a road near a stadium'. Count the number of consonants in the given sentence.

Output: 24


Input: Consider Input: Sentence: 'a elephant standing in some water near some trees'. Count the number of vowels in the given sentence.


Output: 17