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 all of coin machines in a tourist stop'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a little girl that has a backpack on her back'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a collection of variously clad stuffed teddy bears'. How many words end with the letter 'y' in the sentence.

Ex Output:

2