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: 7240 - 3294 - 2859 + 1798 + 9958 - 6797

Answer: 8434


Question: 5724 - 3301 - 3485 - 2239 + 8445 + 4398

Answer:
1906