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 white toilet with a wooden toilet seat on top of it'. Count the number of vowels in the given sentence.

Output: 20


Input: Consider Input: Sentence: 'convention with people standing at table with refreshments'. Count the number of vowels in the given sentence.

Output: 17


Input: Consider Input: Sentence: 'it is a long walk to the parking lot when carrying a surfboard'. Count the number of vowels in the given sentence.


Output: 17