This is the more advanced version of csci120p001.

Mr Cleese wants to know how many times a word appears in a sentence. Your task is to help him with it. In addition, the words may not be separated from the punctuation marks. Here's a list of punctuation marks you might encounter: ", ', ., ,, :, ;, !, ?

These symbols can occur anywhere in the text.

(Hint: use str.replace(key, " ") to get replace these with whitespace in the text)

In addition, because the sentences might be written by silly people, expect irregular casings such as bellow:

WhAt Is Up WiTh ThAt WeIrD, NeW SpOnGeBoB MeMe?

(Hint: use str.lower() to get everything in lowercase.

Input Specification

The first line will contain a single English sentence.

The second line will contain a single lowercased word.

Output Specification

The output should contain only integer, the number of times the inquired word has appeared in the sentence.

Sample Input 1

    Canners, cAn Can? "whAt ThEy CAN caN".
    can

Sample Output 1

    4