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: You mean it shuts off to save energy ?
Person2: Yep . And it breathes , see !
Person1: It's not breathing !
Person2: Yes , it is . Look at the little light ! It blinks off and on .
Person1: Jen , it's not alive ... but it does look user-friendly .
Person2: I would look so cool carrying this around !
Person1: And you'd look so cool !
Example Output: 1

Example Input: Person1: Yesterday was April the first .
Person2: Was it quite special ?
Person1: Not for the others , but for me . I was in the library going over my lessons when suddenly one of my roommates came in . He told me that I was wanted on the phone in my dormitory , and that person would call me again several minutes later .
Person2: Did you hurry back to the bedroom ?
Person1: Yes . I went back to the dorm only to find my roommates laughing and shouting " April Fool , April Fool " .
Person2: Oh , your classmates took you in .
Person1: Only then did I realize it was April Fools ' Day .
Example Output: 0

Example Input: Person1: Time flies !
Person2: You're telling me .
Example Output:
0