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: Why don't we Chinese have our own Valentine's Day ?
Person2: Of course we have . It's on the seventh day of the seventh lunar month .
Person1: Oh ? Why is that day ?
Person2: It is said that the Cowherd and the Spinster , the lover stars in heaven , can only meet on the seventh Eve , so this day has become the Lover's Day .
Example Output: 1

Example Input: Person1: Hi , Bill .
Person2: Hi , Jim .
Person1: Where is that cool guy , Dick ? I haven ' t seen him for two weeks .
Person2: He ' s been sick since he came back from Italy .
Person1: Bummer , I ' m sorry to hear that , is he better now ?
Person2: Yes , Doctor William said that he could come back to work ASAP .
Example Output: 0

Example Input: Person1: I was looking at my test score and think that it should be higher .
Person2: Is the math wrong or the way the answer was marked ?
Person1: I think an answer got marked wrong that should have been marked right .
Person2: These things can happen ; let's double-check the answers first to be sure , all right ?
Person1: That would be great !
Person2: Look at the answer sheet and compare it to your answers . Do you see any place where I made a mistake in grading ?
Person1: This one right here should be right .
Person2: Yeah , I see the same thing ; now we can do the math and check that , right ?
Person1: Yeah , let's do the math .
Person2: I count all of the correct answers , total them , and divide by the total . Does this look right to you ?
Person1: Looks pretty good .
Person2: Thank you for caring enough to check on your scores ; keep studying !
Example Output:
0