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: 'a boy with his luggage in an airport'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a tennis player at the us open walking off the court'. How many words end with the letter 's' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a long desk with multiple computers and television monitors'. How many words end with the letter 's' in the sentence.

Ex Output:

2