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

Answer: -12468


Question: 4854 - 3903 - 3601 - 6666 - 170 - 3411 - 1306

Answer: 23911


Question: 5789 + 6840 - 8797 - 5913 + 3020 - 1559 - 234 - 4248 - 8745

Answer:
25425