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: 3881 + 3747 + 6493 - 7538

Answer: 1179


Question: 1256 - 3248 - 3709 - 3019

Answer: 11232


Question: 7946 + 6462 + 3424 - 3802 + 6873 + 8100

Answer:
-13111