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: 6894 + 3927 + 7884 - 4132 - 6563 + 4281

Answer: 1497


Question: 3561 + 2090 - 1286 - 2259 - 7069 + 5058

Answer: 7027


Question: 2969 - 5770 - 665 + 516 - 1172 + 4904 - 384

Answer:
5540