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: 'looking out from the ruins of a building to dogs in a courtyard'. How many words end with the letter 'm' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a mother elephant with a baby elephant walking down a street'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a shuttle traveling down a street in a rural area'. How many words end with the letter 'a' in the sentence.

Ex Output:

4