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 , sir ?
Person2: Yes ?
Person1: I'm afraid you can't smoke here .
Person2: Why not ?
Person1: Can't you see the notes here ?
Person2: I'm sorry . I can't . What does the note say .
Person1: It says ' No smoking ' .
Person2: Sorry , I'm very near sighted .
Example Output: 0

Example Input: Person1: I'm not sure , is this our stop ?
Person2: Yeah , get off the bus .
Person1: Do you have any idea where we are ?
Person2: I'm really not sure .
Person1: This can't be the right stop .
Person2: I don't think this is right .
Person1: We got off too early , didn't we ?
Person2: Yeah , we did get off too early .
Person1: I should've just stayed on the bus .
Person2: I messed up .
Person1: Great , we have to walk now .
Person2: You want to wait for the next bus ?
Example Output: 1

Example Input: Person1: Mary , I heard you moved again .
Person2: Yeah . I could not stand living here . There is always much noise in the neighborhood .
Person1: You mean noise ? How could it be ?
Person2: You know , on weekends when we wanted to have late rise in the morning , our neighbour started to raise Cain .
Example Output:
0