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: You look tired . Did you sleep well last night ?
Person2: I stayed up all night writing a report .
Person1: Go easy . Overwork is bad for your health .

Ex Output:
1

Ex 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 .

Ex Output:
0

Ex Input:
Person1: Which pair of jeans do you like best ?
Person2: I really like the straight legs .
Person1: But they aren't very fashionable . What about these ?
Person2: I don't like the way they sag down . I feel like I have plumber butt in them .
Person1: That's the style ! You just wear boxers .
Person2: What if someone got it in their head to give them a tug ? What then ?
Person1: You're so old fashioned ! Nobody is going to pull down your pants !
Person2: If you ask me , it's a walking invitation !

Ex Output:
1