In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.

Input: Consider Input: Sentence: 'parking meter with nine minutes left and red car'. How many words start with the letter 'c' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a couple of hot dogs and napkins on a table'. How many words start with the letter 'h' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'several youth tennis players pose for a team photo'. How many words start with the letter 'p' in the sentence.


Output: 3