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: 9826 - 5862 + 4973 - 7723 - 8510 + 6631 + 9611 + 1510 + 489

Answer: 8707


Question: 4148 + 9216 - 5756 - 5558 + 2801 - 7501 + 1939 + 3102 + 6894

Answer: -989


Question: 2163 - 7473 + 1426 + 8026 + 6916 - 1731 + 4388 - 2550 - 9891

Answer:
3052