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: Is this a photo of your family ?
Person2: Yes , it is.It was taken just before I was leaving for college .
Person1: You look so lovely .
Person2: How time flies ! I'll not see twenty again .

Ex Output:
1

Ex Input:
Person1: Have you any tour route to Budapest ?
Person2: Yes , I have , sir . How long are you going on vacation ?
Person1: About 2 weeks .
Person2: I recommend you this route . We call it golden routes for the sightseeing spots .
Person1: Well , will you offer me any reduction since it's a out-of-season tour ?
Person2: Of course , we will , sir .

Ex Output:
1

Ex Input:
Person1: I really want to switch things up .
Person2: What were you thinking ?
Person1: I think I want to try a new style .
Person2: What would you like me to do ?
Person1: I want you to cut my hair shorter .
Person2: How short ?
Person1: I want my hair to be only a few inches long .
Person2: Do you really want it that short ?
Person1: Yes , I've been wanting it short for a while now .
Person2: If you really want me to , then I'll do it .
Person1: I'm absolutely sure that this is what I want .
Person2: Let's do it .

Ex Output:
0