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: 5299 - 8791 + 6861

Answer: 7229


Question: 5709 + 8211 + 3945 + 1143 - 7258

Answer: -332


Question: 1913 + 5800 + 5904 - 1135 + 4481

Answer:
-13137