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: I heard that you went to the concert the day before ? How did you like it ?
Person2: It was terrific.The concert was really a hit.The symphony orchestra was so good that I was completely absorbed in their performance .
Person1: Who was the conductor ?
Person2: Oh , speaking of the conductor , he is indeed a genius.He did a perfect job.His name is Menuhin , a descendent of Russian American immigrants .
Person1: Oh , I learned that he is also a legendary violinist .
Person2: Absolutely right.He gave a performance of Felix Mendelssohn's violin concerto.That caused a sensation.The audience were stunned by his pure tone .
Person1: Obviously you did enjoy the concert .
Person2: Yes , I did .

Ex Output:
1

Ex Input:
Person1: Driving during the rush hours can be a bit of a bind .
Person2: Yeah . I think so.You have to be patient and careful .
Person1: So I'd rather walk or run to work .
Person2: You must be joking !

Ex Output:
0

Ex Input:
Person1: I need order in the court !
Person2: I am ready to make my plea .
Person1: What do you plead ?
Person2: I plead not guilty .
Person1: All the evidence indicates that you are guilty .
Person2: I realize that , but I am not guilty .
Person1: Is that right ?
Person2: I had nothing to do with the crime that was committed .
Person1: Who is the guilty party ?
Person2: I ' ll tell you if you let me go .
Person1: I ' d be glad to make a deal with you .
Person2: I am willing to tell you that information .

Ex Output:
0