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 cow crosses a stream while sun rays shine down on the water'. Count the number of vowels in the given sentence.

Output: 18


Input: Consider Input: Sentence: 'a man sitting in a chair opening empty luggage'. Count the number of vowels in the given sentence.

Output: 15


Input: Consider Input: Sentence: 'a dining table with bare plates and plates of food on a colorful table cloth'. Count the number of vowels in the given sentence.


Output: 24