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: 'the black horse is standing on the top of the hill'. How many words end with the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a man holds the strings of a multicolored kite'. How many words end with the letter 's' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'two trucks and a bus on the road covered with snow'. How many words end with the letter 'd' in the sentence.

Ex Output:

3