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 man and woman happily hug near a river'. How many words end with the letter 'y' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a person taking of photo of herself while looking in the mirror'. How many words end with the letter 'e' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a door is opened to a small clean bathroom'. How many words end with the letter 'r' in the sentence.

Ex Output:

1