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: 'a time laps photo of a city street'. How many words start with the letter 'o' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'man with a thought bubble coming from his head'. How many words start with the letter 'h' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'railway train passenger cars with graffiti parked on a gravel lot'. How many words start with the letter 'l' in the sentence.


Output: 1