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 man standing on top of a boat next to a man in a straw hat'. Count the number of vowels in the given sentence.

Output: 18


Input: Consider Input: Sentence: 'a man playing a guitar and other musical instruments'. Count the number of vowels in the given sentence.

Output: 17


Input: Consider Input: Sentence: 'a young soldier has his picture taken with a young lady with an open jacket and brazier showing'. Count the number of vowels in the given sentence.


Output: 30