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: 4264 - 4438 + 3871 + 7585 - 540 - 3455 - 6016

Answer: 7257


Question: 2181 + 397 + 8824 - 2945 + 612 + 9971 + 1036 - 7693

Answer: -8021


Question: 1815 - 3167 - 773

Answer:
5755