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: 8301 - 6117 + 9106 + 2168 - 4036 - 2644 + 8999

Answer: 825


Question: 2591 - 5867 - 9565

Answer: 18023


Question: 8798 - 6887 - 9478 - 7713 + 8512 + 7926 - 8604 + 2947 + 7573

Answer:
14522