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: We'd better leave now .
Person2: I beg your pardon ?

Ex Output:
0

Ex Input:
Person1: Can you speak Japanese ?
Person2: Yes , I can , but not very well .
Person1: Where did you learn it ?
Person2: At school . And I'm still learning it now .
Person1: How long have you been learning it ?
Person2: About three years .
Person1: Can you speak any other languages ?
Person2: I'm afraid not .

Ex Output:
1

Ex Input:
Person1: That ' s really a let-down .
Person2: Yeah . He really does let me down .
Person1: But that should not be the reason for you to lose heart .
Person2: I ' m at the end of tether . I run out of ideas .

Ex Output:
0