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: 'young man in catchers gear playing baseball on a sunny day'. How many words end with the letter 'y' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a yellow train traveling towards a train station'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'four people on skies going down a ski slope'. How many words end with the letter 'r' in the sentence.

Ex Output:

1