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 man blowing out some candles on a cake'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a wooden fence sitting in a field with a cow'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a young girl holding a tennis racket playing tennis'. How many words end with the letter 'a' in the sentence.

Ex Output:

2