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.

Input: Consider Input: Sentence: 'a large dog stands on the back of a sofa sniffing at it while another dog rests on the sofa itself'. How many words end with the letter 'e' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'cakes sitting on cardboard on display on a shelf'. How many words end with the letter 'n' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a man is serving a tennis ball over head'. How many words end with the letter 'a' in the sentence.


Output: 2