You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.

Ex Input:
Person1: By the way , how many books am I allowed to check out ?
Person2: You can check out two books at a time .
Person1: How long can I keep the books ?
Person2: For two weeks . After that you must renew the books if you wish to keep them longer .

Ex Output:
1

Ex Input:
Person1: Honey , I've got good news for you .
Person2: What is it ?
Person1: You are going to be a father .
Person2: What ? Do you mean that you are pregnant ? Is it true ?
Person1: Yes . We'll have our baby soon .
Person2: Oh , dear , I'm so happy .
Person1: Me , too .

Ex Output:
0

Ex Input:
Person1: Where do you live now ?
Person2: I live in Haitian District where there are lot of universities .
Person1: Which street do you live on ?
Person2: I live at No . 50 Xingu Street .

Ex Output:
1