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 vase with unopened flowers in ice'. Count the number of vowels in the given sentence.

Ex Output:
13


Ex Input:
Sentence: 'birds are in the water and sticking their heads in'. Count the number of consonants in the given sentence.

Ex Output:
26


Ex Input:
Sentence: 'a close up of two zebras near one another'. Count the number of consonants in the given sentence.

Ex Output:

18