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 on skis stands on some snow'. How many words end with the letter 'n' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'three giraffes two of which are laying on the ground'. How many words end with the letter 'n' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a giraffe in a field near a tree with a sky background'. How many words end with the letter 'e' in the sentence.

Ex Output:

2