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: Are you feeling better today , Bill ?
Person2: Well , it's hard to say . I cough a lot in the evening .
Person1: You'd better give up smoking . It's bad for your health .
Person2: You're right , but you know , it's hard to give up an old habit .
Person1: But you should make up your mind first .
Person2: You know , I often have to work till late at night . I need something to keep me awake .
Person1: Why don't you go to bed and get up early ? You'll have the same time for work .
Person2: Thank you for your advice ! I'll try it .

Ex Output:
1

Ex Input:
Person1: Jenny , what's wrong with you ? Why do you keep weeping like that ?
Person2: Mary told me that she had seen you with John last night . I got to know the fact that you are playing the field .
Person1: Honey , cross my heart , I'v never looked at another woman since the first day I set my eyes on you ! Believe me , that's the truth .

Ex Output:
1