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: 3337 + 9906 + 9733 - 853 + 5075 - 2064 + 9450 - 3886

Answer: -24024


Question: 3123 + 9519 - 2864 + 9440 - 756 + 252

Answer: -12468


Question: 3397 - 266 + 8474 + 7601 + 8085 - 3830

Answer:
-16667