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: Excuse me , I am Dunlin . I am here about your advertisement for a tourist guide . Are there still any vacancies ?
Person2: Yes . One more is needed .
Person1: Oh , I'm so lucky . I want to apply for it .
Person2: But do you have any experience like that ?
Person1: Yes . I have been a guide for two years .
Person2: OK.Then I want to ask you some questions about the tourist guide.If there wasn accident , for example a tourist falls ill , what would you do ?
Person1: I think I will call the office to send someone to meet us , and escort that person to the nearest hospital without interrupting our trip .
Person2: If one of them forgot a camera in a restaurant , would you let the tourist bus go back ?
Person1: No . In fact , prior to their boarding the bus and their getting off the bus , I will make an announcement to remind them that they should check their belongings .
Person2: Well , it seems that you have all the practical experience to handle these cases . I am very glad to welcome you into our company .
Person1: Thank you . It's my honor .
Example Output: 1

Example Input: Person1: Good day , Madam . What service do you require today ?
Person2: I'd like some info about your Payroll Services , please .
Person1: It's possible to sign an agreement with us , and then we can pay your staff directly . That is called an Entrustment Agreement .
Person2: I see . How is it paid ? I mean , what payment methods are possible ?
Person1: We can transfer the funds each month , at your request , into each employee's account . It is possible to pay in cash or to pay directly to the employee's savings account , no matter which bank they do business with .
Person2: That sounds pretty good . Tell me , must we use the same payment method for all of our employees ?
Person1: Not at all . We can adjust the payment methods depending on the requirement of each employee .
Person2: That sounds just perfect . I'll talk things over with some colleagues and get back to you . Thank you very much for the information .
Example Output: 1

Example Input: Person1: Can I take your order ?
Person2: I'll take two value meals .
Person1: What kind of drink do you want with those meals ?
Person2: One Coca Cola and the other a Sprite , please .
Person1: You can super-size your meals for only three dollars extra .
Person2: Yes , I'd like that , then .
Person1: How about anything for dessert , like an apple pie or ice cream ?
Person2: No , thanks . That will be it .
Example Output:
0