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: 'the sheep are grazing  in the pasture'. How many words end with the letter 'p' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a bed and pillow sits next to a window'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'luggage sitting on the ground on a dirty and grass field'. How many words end with the letter 'e' in the sentence.

Ex Output:

2