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: 'an older man smiles while picking green bananas'. Count the number of vowels in the given sentence.

Output: 15


Input: Consider Input: Sentence: 'a person with a umbrella on a train track'. Count the number of vowels in the given sentence.

Output: 13


Input: Consider Input: Sentence: 'the group of people are enjoying their meal at the table'. Count the number of consonants in the given sentence.


Output: 26