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: Why do you go fishing so often ?
Person2: It's fun .
Example Output: 1

Example Input: Person1: May I help you with something ?
Person2: I would like to return these books .
Person1: What happened to this book ?
Person2: I dropped it , and the cover tore off .
Person1: I ' m going to have to charge you for the damage .
Person2: How much ?
Person1: It ' s only $ 5 .
Person2: That ' s not too bad .
Person1: I know it ' s not .
Person2: Here ' s the money for the book .
Person1: Thank you for your payment .
Person2: You are very welcome .
Example Output: 1

Example Input: Person1: When is your birthday ?
Person2: August 1st .
Person1: Do you usually have a birthday party ?
Person2: Yes , we do.My parents prepare dinner for me .
Person1: What would you do at the party ?
Person2: We sing " Happy Birthday " at the party and have birthday cakes .
Person1: Do you know when people began to sing the song " Happy Birthday " ?
Person2: Well , I don't know .
Person1: Let me tell you the story.In 1892 , Patty Smith Hill and Mildred Hill wrote a song called ' Good Morning to you ' . But later someone added the words ' Happy Birthday ' to their tune .
Person2: So the ' Happy Birthday ' song has been popular since then ?
Person1: Yes , actually , the song has been sung since its publication in 1932.People all over the world have sung it in many different languages .
Example Output:
1