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 person playing soccer on a field with a ball'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'hundreds of people walking toward a monument and kites in the sky'. How many words end with the letter 's' in the sentence.

Ex Output:

2