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 man gives children food to feed an elephant'. Count the number of consonants in the given sentence.

Ex Output:
22


Ex Input:
Sentence: 'a woman playing with a dog in a field with a frisbee'. Count the number of vowels in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'a person riding skis across a snow covered field'. Count the number of consonants in the given sentence.

Ex Output:

25