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: 1078 + 2128 + 513 + 5898 - 8020

Answer: 559


Question: 6054 - 4121 + 5615

Answer: 4560


Question: 4585 + 6397 + 9550 + 6631

Answer:
-17993