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 brown dog greeting a lamb on a green field'. Count the number of vowels in the given sentence.

Output: 14


Input: Consider Input: Sentence: 'some people are looking at two giraffes at a zoo'. Count the number of consonants in the given sentence.

Output: 20


Input: Consider Input: Sentence: 'a wooden patio table with a white umbrella'. Count the number of vowels in the given sentence.


Output: 16