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 small plane sits at the end of a small runway'. Count the number of vowels in the given sentence.

Output: 13


Input: Consider Input: Sentence: 'a picture of fresh grown apples on a tree while someone is holding one'. Count the number of vowels in the given sentence.

Output: 24


Input: Consider Input: Sentence: 'a herd of sheep grazing in a grassy field'. Count the number of vowels in the given sentence.


Output: 12