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'.

Example Input: Person1: Is this the Friendship Hospital ? Please send an ambulance to 68 Hu Nan Road .
Person2: Is it urgent ? Our ambulances are not enough to meet every call .
Person1: Of course . It's urgent . I think the partie nt is suffering from acute appendicitis . He may die if not treated in time .
Person2: All right , we'll come right away .
Person1: ( after a while ... ) Where's the patient ?
Person2: He's there in the room . He's very ill .
Person1: Don't worry . We'll put him in the stretcher . You are coming with us ? Step in please .
Person2: Carry him into the emergency ward . Here we are .
Person1: Help the patient bathe and change his clothes , nurse . Then bring him into the operating room .
Person2: ( after a while ... ) I'm his guide . What's the trouble with him , doctor
Person1: He had appendicitis , but is all right now that it was removed . He'll have to rest for a few weeks to recover .
Person2: May I send food for him ?
Person1: No , outside food is not permitted .
Person2: Can I come round to see him tomorrow ?
Person1: Yes . But first you must observe the visiting hours , It's from 2 to 5 p . m . By the way , consult the nurse before you enter the ward .
Person2: Yes . Thank you .
Person1: By the way , you can bring some flowers .
Person2: OK .
Person1: Don't worry about him .
Person2: When could I take care of him ?
Person1: Our nurse can take good care of him .
Example Output: 0

Example Input: Person1: Mr.Ben , What do you think of the book ?
Person2: It's an excellent one . I like it very much .
Person1: Why ?
Person2: It includes a lot of useful words and phrases .
Person1: I agree with you .
Example Output: 1

Example Input: Person1: Are you feeling better today , Bill ?
Person2: Well , it ' s hard to say . I coughed 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 so hard to give up the old habit like smoking .
Person1: But you should make up your mind first .
Person2: You know I often have to work far into the night . I need smoking to keep me awake .
Person1: Why don ' t you go to bed early and get up early ? You ' ll have the same time for work .
Person2: Thank you for your advice . I ' ll try it .
Example Output:
1