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 bunch of people walking near some tall steps'. Count the number of vowels in the given sentence.

Output: 14


Input: Consider Input: Sentence: 'a solo snowboarder soars down a snowy mountainside'. Count the number of consonants in the given sentence.

Output: 25


Input: Consider Input: Sentence: 'a bathroom with a toilet sitting next to a plant'. Count the number of vowels in the given sentence.


Output: 15