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: 2837 + 8737 + 9015 - 7647 - 1903 - 3427 - 2034 - 3680 - 8565

Answer: 12341


Question: 7744 - 1859 - 3667 + 1907 - 2807

Answer: 14170


Question: 3330 - 3557 + 1535 + 4675 - 8105

Answer:
8782