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: 2759 - 7972 - 7615 + 151

Answer: 18195


Question: 5292 + 3623 + 7450

Answer: -5781


Question: 2999 - 5888 + 4667 - 9623 - 5438 - 2159

Answer:
21440