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 bus parked at the corner of a street near a cross walk'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a truck and trailer are parked at a woodsy campground'. How many words end with the letter 'k' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'six pictures of someone skateboarding in a skate park'. How many words end with the letter 'a' in the sentence.

Ex Output:

1