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 grand banquet room with red curtains and a clock above'. How many words end with the letter 's' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a brick building with a couple of street signs on it'. How many words end with the letter 'k' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a bullet train in a european country is ready for passengers'. How many words end with the letter 'n' in the sentence.

Ex Output:

3