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: 'four cooks are in a stainless steel kitchen'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a reflection of a large building in a window'. How many words end with the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a person wearing a helmet being lifted by parasail'. How many words end with the letter 'a' in the sentence.

Ex Output:

2