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Customer support department in an "Incomprehension Amateurs, Ltd" software company has call center for answering users' questions. Support prices are as follows:
| 1. | Answer to a question | 10 USD |
| 2. | Correct answer to a question | 20 USD |
| 3. | Correct answer to a question with explanation | 40 USD |
| 4. | Correct answer to a question which was already correctly answered before | +10 USD for each previous correct answerD |
So, for example, if user asks the same question three times, first receives incorrect answer, then correct one, and the third time correct answer with explanation, it will cost him 10 + 20 + (40 + 1 * 10) = 80 USD.
Customers are billed monthly according to call log. Company engineers review the log and for each question determine:
1. unique number, so the equivalent questions have same numbers,
2. whether the answer was correct,
3. whether the answer was short or included detailed enough explanation.
Given that data, your program must calculate the payment amount.
Input file contains number of calls N followed by N triples qi ai xi, where qi is integer question number, ai = 1 if the answer was correct, 0 otherwise, xi = 1 if explanation was given, 0 otherwise.
1 ≤ N ≤ 10000, 1 ≤ qi ≤ 106.
Output file must contain a single number — payment amount.
Sample Input 1 1 9834 0 1 Sample Input 2 3 33 1 0 33 0 0 33 1 1
Sample Output 1 10 Sample Output 2 80
| 时间上限 | 内存上限 |
| 2000 | 65536 |