In this task, you need to count the number of words in a sentence that end with the given letter. Answer with numbers and not words.

Ex Input:
Sentence: 'cakes sitting on cardboard on display on a shelf'. How many words end with the letter 'n' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a person taking of photo of herself while looking in the mirror'. How many words end with the letter 'e' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'man using a laptop on his lap in a waiting area'. How many words end with the letter 'n' in the sentence.

Ex Output:

3