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: 'three adults riding on top of an elephant swimming'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a man in a jacket on a motorcycle'. How many words end with the letter 't' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a person in winter gear skis across the snowcovered ground'. How many words end with the letter 's' in the sentence.

Ex Output:

2