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: How are you feeling , John ?
Person2: Oh , not too bad , but I've got to stay in bed .
Person1: Do more exercises after you are healthy .
Person2: Ok , I will . You have said that many times .
Person1: Are you hungry ? Do you want me to buy something for you to eat ?
Person2: No , there ' s no need . Thank you all the same .
Example Output: 0

Example Input: Person1: Which film shall we see ?
Person2: There is nothing good at the moment.Let ' s do something different.Would you like to go to a concert ?
Person1: Yes , I'd love to.Here is a good one , Mozart and Beethoven.It ' s on the Festival Hall.Shall we go there ?
Person2: Fine ! Do you want anything to eat now ?
Person1: No , I'm not hungry .
Person2: Well , let's go and have something to drink instead . I know a good place . It's a little expensive , but it's fun .
Example Output: 1

Example Input: Person1: Honey , would you marry me ?
Person2: I want to think about it for some time .
Person1: Please , honey , I have made proposals to you fifteen times .
Person2: I know . But your way doesn't touch my heart .
Person1: Oh , god , please tell me how .
Person2: I can't tell you .
Person1: OK , I want you to be happy when we are together , and when you are sad , I would always stay with you .
Person2: When I am angry and want to beat someone , you stand there and let me do what I want . Would you ?
Person1: Yes , I would . Thanks for being in my life .
Person2: Don't be so happy , it is just one of my tests !
Example Output:
0