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 unique black and white bathroom that is very clean'. How many words end with the letter 'm' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a smart phone sitting on a cloth next to a battery hooked up to another device'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a young women is walking wearing ripped jeans'. How many words end with the letter 'a' in the sentence.

Ex Output:

1