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: Dave , wake up .
Person2: Which ? Zina ? What time is it ?
Person1: It's seven-thirty . I want to know who left this note on my desk .
Person2: What note ? I can't see . I just pulled an all-nighter .
Person1: It's a little green post-it note , stuck right in the middle of my computer screen .
Person2: And ? What does it say ? Isn't there a name ?
Person1: It says , Zina , I like how you rhumba . An admirer .
Example Output: 0

Example Input: Person1: Have you ever been to Britain ?
Person2: Oh yes , I ' Ve been to Britain many times . I go there on business .
Person1: Really ? How often do you go there ?
Person2: Usually , I go to London twice a year but sometimes I go three or four times a year .
Person1: Do you always go on business or do you sometimes go for a holiday ?
Person2: I ' m afraid I never go for a holiday . It ' s always business .
Example Output: 1

Example Input: Person1: Mister , I have an account now .
Person2: Now , how would you like this check cashed , madam ?
Person1: Six tens will be fine .
Person2: Here you are .
Person1: Thanks . Er , mister , if I want to deposit checks next time . what should I do ?
Person2: Just make out a deposit slip and come here during bank hours . That's from 9 a . m . to 3 p . m .
Example Output:
0