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:     What's your new girlfriend like ?  
 Person2:  Katherine ? Well , she's good at languages .  
 Person1:      Does she know how to speak Spanish ?  
 Person2:  She knows how to speak Spanish and Japanese .  
 Person1:      Wow ! ! !  
 Person2:  And she's good at sports , too . She knows how to play tennis and basketball .  
 Person1:      That's terrific !  
 Person2:  But there's one thing she's not good at .  
 Person1:      What's that ?  
 Person2:  She's not good at remembering things . We have a date , and she's an hour late ! ! 

Ex Output:
1


Ex Input:
 Person1:     How's your business ?  
 Person2:  Everything seems to be getting worse . I don't know what to do with it .  
 Person1:      Things are tough all over . You should never give up !  
 Person2:  But how can I prevent a deficit ?  
 Person1:      I think you should make a thorough market investigation now .  
 Person2:  OK , OK . I ’ ll do my best .  
 Person1:      I always consider you are such a guy who never gives up .  
 Person2:  I know life is not all roses , and I believe I will pull this through .  
 Person1:      Yeah , you can make it . 

Ex Output:
1


Ex Input:
 Person1:     Going to the gym tonight , Mary ? 
 Person2:  Yes , Sally . I want to do some sit-ups and perhaps get in a game of singsong . 
 Person1:      That sounds like fun . Would you mind some company ? 
 Person2:  I'd love it . Working out is more fun with a friend . 
 Person1:      I'll get my things and meet you there . 
 Person2:  Good . If you happen to see Jim and Bob on the way see if they would like a game of singsong . 

Ex Output:

1


