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: 8247 - 6987 - 8915 - 9962

Answer: 34111


Question: 2500 + 3268 - 574 + 5695 - 2143 + 404 - 196

Answer: -3954


Question: 1654 + 6652 - 5408 + 2465

Answer:
-2055