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 glazed donut sits on a plate inbetween a fork and a knife'. How many words end with the letter 'k' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a man carries a yellow surfboard down a beach near the waters edge'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a cat is laying on top of a closed laptop'. How many words end with the letter 'a' in the sentence.

Ex Output:

2