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: 2759 - 7972 - 7615 + 151

Answer: 18195


Question: 7320 + 9337 - 31 + 8850 + 4804 + 230 - 9287 - 4572

Answer: -2011


Question: 2885 - 3144 + 2161 - 6159 + 4823 + 8161 - 2597

Answer:
-360