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: 'an elephant by the side of the road'. How many words end with the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a plate has a spoon cup of coffee and two small doughnuts'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'two boats on land out of the water'. How many words end with the letter 'f' in the sentence.

Ex Output:

1