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: 1928 - 8869 + 937 + 6209 + 5391 - 5357 + 6743

Answer: -3126


Question: 4486 + 7884 - 172 + 2615

Answer: -5841


Question: 7806 + 8117 - 4213

Answer:
3902