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: 4224 + 9155 + 116 - 5148 - 7166 - 7397 - 3883 - 2139

Answer: 20686


Question: 339 + 2015 + 8965 + 3457

Answer:
-14098