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: 6570 + 2902 + 9219 - 6971 + 6886 + 765

Answer: -6231


Question: 6681 - 1947 - 955 + 9470 - 4512 - 9603 + 5822 + 9404 - 8896

Answer: 7898


Question: 2779 - 6194 - 7220 + 7063 - 2670 - 3971 - 5272 + 6749

Answer:
14294