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: 'something round being cooked in a shape of a pancake in a fry pan'. How many words end with the letter 'n' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'some people standing around one man is wearing a tie'. How many words end with the letter 'a' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a kitchen has an empty cabinet and a houseplant'. How many words end with the letter 'a' in the sentence.

Ex Output:

2