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: who are you writing a letter to ?
Person2: I'm just responding to Sue's letter . Do you want to help ?
Person1: OK . I guess I could add something . Tell them that I send my love .
Person2: that's kind of boring . Don't you want to tell them anything else ?
Person1: well , maybe you could tell them about my promotion .
Person2: you've been promoted ? when did that happen ?
Person1: just today . I guess I forgot to mention it .
Person2: congratulations ! That's really exciting ! Let's get out a bottle of wine to celebrate !
Person1: shouldn't we finish writing this letter first ?
Person2: ah . That can wait . Your promotion is the best news I've heard in a long time !
Person1: it is good news , but it looked like you were almost finished . We might as well just sign off .
Person2: ok , you're right . I'll just tell them how round I am of you for getting a promotion and then I'll thank Sue for her kind letter .
Person1: I guess you can write that I'm looking forward to seeing them in June .
Person2: that's thoughtful of you .
Person1: and also thank them from the bottom of my heart for the Christmas package they sent us .
Person2: that's right ! I almost forgot about that .
Person1: what would you do without me ?
Person2: we do balance each other out well . I guess we were really made for each other !

Ex Output:
1

Ex Input:
Person1: Do you have desserts ?
Person2: Yes , we have many kinds of pies and puddings .
Person1: Can you give us more information ?
Person2: Sure . We have lemon pies , apple pies , coffee rum pies and ice cream .
Person1: I would like to have the coffee rum pies .

Ex Output:
1

Ex Input:
Person1: Elaine ' s back from school . I think it might be a nice gesture if you asked her out . I suppose she ' s not good enough for you , is that it ?
Person2: Look , Elaine Robinson and I do not get along .
Person1: How do you know ? You haven ' t seen her since high school . I guess your evenings , whatever you do with them , are just too valuable .
Person2: That has nothing to do with it ...
Person1: I guess I ' ll just have to tell Mr . Robinson that you ' re too busy every evening doing God knows what ... God don ' t go on like this . If you absolutely refuse to take her out ...
Person2: I do .
Person1: Then I will simply have to invite all the Robinson ' s over for dinner on Thursday .

Ex Output:
1