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: Kate , what do you like to do tonight ? Do you often go to the movies ?
Person2: Of course . I often go to the movies .
Person1: There ' s a good movie called Summer in Beijing .
Person2: I heard it ' s a very good movie .
Person1: Let ' s find out what time it starts .
Person2: Let ' s look at the newspaper .
Person1: Here it is . It starts at 8 o'clock .
Person2: Wonderful . I ' m so excited .

Ex Output:
1

Ex Input:
Person1: Welcome to our university ' s fifties anniversary , Sir . Please have a seat .
Person2: Thank you . Wow , your school has so many honors . Congratulations !
Person1: Thank you .
Person2: Excuse me . I wonder see Dean Mr . Lee first . I was wondering if could you tell me where his office is ?
Person1: Certainly . Mr . Lee ' s office building at the south end of the campus , just beside the library .
Person2: Excuse me ?
Person1: Let me show you the way . Please follow me .
Person2: Thank you very much . It ' s very kind of you .
Person1: My pleasure .
Person2: This is it ?
Person1: It ' s up on the second floor . You have to use the stairs . The elevator isn ' t working .

Ex Output:
0

Ex Input:
Person1: Mary , please go to the door . I hear the bell .
Person2: It's the mailman , Mother . Here's a letter from Uncle George .
Person1: Give it to me ... How wonderful ! He's coming to visit us .
Person2: When's he coming ?
Person1: He's coming by car on the twenty-fourth . He's staying from thetwenty-fourth to the twenty-sixth .
Person2: Let me look at the calendar . Good ! The twenty-fourth is a Saturday . Is he coming alone ?
Person1: No , he's coming with Aunt Cynthia and the girls .
Person2: Mother , I don't remember the girls . How old are they ?
Person1: Your cousin Fay is fifteen . Rosemary is older than Fay . She's seventeen .
Person2: Are they going to stay here with us ?
Person1: Of course . The girls can stay in your room with you .
Person2: Mother , may we have a party ?
Person1: If you like , but now we have to think about meals and many other things .
Person2: Prepare the list , Mother . I can go shopping . I can go to the small stores.Everyone knows me there .

Ex Output:
0