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.

Ex Input:
Sentence: 'a couple of giraffes are standing in a grassy field'. Count the number of consonants in the given sentence.

Ex Output:
25


Ex Input:
Sentence: 'two green mugs are designed with frosted dog and cat emblems'. Count the number of consonants in the given sentence.

Ex Output:
33


Ex Input:
Sentence: 'a outside view of a store with many clocks'. Count the number of consonants in the given sentence.

Ex Output:

20