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 clock street sign on the corner of a building'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a white longheaired dog eating a birthday cake'. How many words end with the letter 'g' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a male tennis player in a yellow shirt is playing tennis'. How many words end with the letter 's' in the sentence.

Ex Output:

3