In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and  addition in case of '-' symbol.
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Question: 8885 - 9148 - 6665 - 7609 + 4183 + 3591 + 5158 - 5649 + 9511

Answer: 15513


Question: 7409 + 7579 + 4759 + 5088

Answer: -10017


Question: 519 + 9686 + 3145 - 9320

Answer:
-2992