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: 4139 - 6541 - 2616 + 299 - 700 - 6684

Answer: 20381


Question: 1471 + 6113 + 3177 - 2507 - 2358 + 6654

Answer: -9608


Question: 1718 - 2217 - 506

Answer:
4441