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 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 few zebras graze with butts towards the camera'. How many words end with the letter 's' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a snowy area with many people and horses gathered around'. How many words end with the letter 'd' in the sentence.

Ex Output:

3