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: Ah , ah , ah ...
Person2: All right , Bill.Here ' s your daily exercise schedule . You are to jog before breakfast .
Person1: Jog ?
Person2: Then , you are to walk to work .
Person1: Walk ?
Person2: Thirty minutes in gym at lunch time .
Person1: Oh no .
Person2: Use the stairs , never the elevator .
Person1: Oh , dear .
Person2: And three times a week , you can either swim , play racketball , or hand ball .
Person1: Oh no .
Person2: OK , you can stop now.It ' s time for the dance class .
Person1: Dance class ! I don't know how .
Person2: You will .
Person1: Oh ...
Example Output: 0

Example Input: Person1: Honey , I've got good news for you .
Person2: What is it ?
Person1: You are going to be a father .
Person2: What ? Do you mean that you are pregnant ? Is it true ?
Person1: Yes . We'll have our baby soon .
Person2: Oh , dear , I'm so happy .
Person1: Me , too .
Example Output: 0

Example Input: Person1: Do you give me a bonus ?
Person2: Yes . We don ' t give bonus every month , but we offer semi-annual bonuses .
Person1: Do you allow any commission ?
Person2: Yes . Commission will be given on the basis of your sales revenue . And the percentage will be 2 % of your total revenue .
Example Output:
1