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: Mr . Chandler will be our new partner , so his visit this time will be extremely important for our cooperation in future , because it may decide whether Mr . Chandler sign the trade contract with us or not . Do you have some idea ?
Person2: I suppose we can bring him to visit our company , as well as our display room . In this way , he can know more about our company and our potential power . In my opinion , visiting the factory will help him learn our manufacturing process very much .
Person1: En , you are right , and he will trust us and maybe the contract will be signed soon . But remember to keep some skills of our manufacturing secret . On one hand , show his our best side ; on the other hand , do not show too much to protect our own business secrets .
Person2: Well , I understand .
Person1: Please make a detailed schedule on the visit this afternoon .

Ex Output:
1

Ex Input:
Person1: Lots of elderly people want peace and quiet in their old age , but young people want an unconstrained life .
Person2: It would be good for both if they lived separately . My parents want to live apart from us .
Person1: What if old people are in poor health and need to be looked after ?
Person2: Young people ought to carry out their responsibilities . If it's needed , they would live with their parents .
Person1: When I ' m old , I ' ll also be like that .
Person2: You need a child first , and that's your duty , too .
Person1: I know that's what I must do .

Ex Output:
0

Ex Input:
Person1: Where can I buy textbooks ?
Person2: First , you need to have the list of books for your class . Do you have that ?
Person1: Yes , I have that .
Person2: Well , when you have that , you can take it over to the bookstore . Can you find it ?
Person1: No , I don't know where the bookstore is .
Person2: Just pass the gym and it's the first door on your left . Were you aware that you can also turn in your old textbooks for money ?
Person1: Really ? How can I do that ?
Person2: Take your used textbooks with you and give them to the representative near the entrance . He will pay you for them . Are you going today ?
Person1: No , I can't make it today .
Person2: I could help you with buying your books if you meet me there at 1
Person1: No , thanks . I'm good .
Person2: I'll see you later then . Have a great day !

Ex Output:
1