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: 1691 - 755 + 5734 - 4774 + 4915 - 7249 - 47

Answer: 3867


Question: 2588 + 7474 + 7336 + 2767 - 1155 - 3435 - 6693

Answer: -3706


Question: 8161 + 9287 - 6233

Answer:
5107