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 black bear standing on the ground with grass'. Count the number of vowels in the given sentence.

Output: 12


Input: Consider Input: Sentence: 'many white birds flying above a river that flows in front of a forest'. Count the number of consonants in the given sentence.

Output: 37


Input: Consider Input: Sentence: 'three lemons are sitting in a wooden bowl'. Count the number of vowels in the given sentence.


Output: 14