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 standing on the side of water with rough waves'. How many words end with the letter 'r' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a bunch of birds that are sitting on steps'. How many words end with the letter 'g' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'an adult zebra walking and looking in the high tundra grass'. How many words end with the letter 'g' in the sentence.

Ex Output:

2