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: Can I help you ?
Person2: Yes , I'm looking for a house .
Person1: To buy or to rent ?
Person2: Oh , to rent .
Person1: How much do you want to pay ?
Person2: About 300 a month .
Person1: Well , I've got one here . It's 260 a month .
Person2: How big is it ?
Person1: It's got a kitchen , a bathroom , and one bedroom .
Person2: Well , actually I prefer something a bit bigger if that's possible .
Person1: Yes , I think so . There is also an interesting one.It ' s opposite the park .
Person2: How much is it ?
Person1: It's 325 a month . It's the biggest we've got in this area .
Person2: What's it like ?
Person1: Well , There're two bedrooms , a sitting room , a kitchen and a bathroom .
Person2: It sounds interesting . Can I go and see it ?
Person1: Of course , Sir .
Example Output: 1

Example Input: Person1: Steven , I need badly your help .
Person2: What's the matter ?
Person1: My wife has found that I have an affair with my secretary , and now she is going to divorce me .
Person2: How could you cheat on your wife ? You have been married for ten years .
Person1: Yes , I know I'm wrong . But I swear that the affair lasts only for two months . And I still love my wife . I couldn't live without her .
Person2: I will try my best to persuade her to reconsider the divorce . But are you sure that from now on you will be faithful to her forever ?
Person1: Yes , I swear .
Example Output: 0

Example Input: Person1: Hi , is you , John ?
Person2: Oh , Jane . What on earth have you been ? I've called you a thousand times .
Person1: Sorry , John . I suddenly got a severe stomachache last night , and stayed in hospital the whole day .
Person2: But I called your cell phone , and there was no answer .
Person1: I know , I left it at home .
Person2: Do you feel better now ?
Person1: It's OK now . Don't worry , John .
Example Output:
1