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: 758 + 1664 + 5481 - 1654 - 1804 + 5232 - 9130

Answer: 969


Question: 2665 - 2678 - 45 + 1983 + 2477 - 9509

Answer:
10437