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 sandwiches on the picnic blanket are cut in half'. Count the number of vowels in the given sentence.

Output: 15


Input: Consider Input: Sentence: 'a baby girl playing with a big white teddy bear'. Count the number of consonants in the given sentence.

Output: 25


Input: Consider Input: Sentence: 'an old mustang sits parked next to a parking meter with a sign on it'. Count the number of vowels in the given sentence.


Output: 19