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: 8737 - 2978 - 6717

Answer: 18432


Question: 6666 + 4068 + 1057 + 5398 + 7947

Answer: -11804


Question: 1990 + 5084 - 6644 + 5934 - 4512 + 6014 + 945 - 5368

Answer:
537