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 pot pit on a plate with a large side of butter and a beer sitting on the table top'. How many words end with the letter 'g' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'the helmeted snowboarder is jumping through the air'. How many words end with the letter 's' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a group of people sitting around a table with a cake on it'. How many words end with the letter 'a' in the sentence.

Ex Output:

3