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 bed in a room and some food'. How many words end with the letter 'd' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a bathroom with a mirror sink towel and shower curtain'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a young man holding open a refrigerator door'. How many words end with the letter 'n' in the sentence.

Ex Output:

2