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: 2848 - 3478 + 9230 + 3585 + 8537 - 3821

Answer: -11205


Question: 23 - 7991 - 1064 + 8364

Answer: 714


Question: 3133 - 1266 + 9813 - 480 - 789

Answer:
-4145