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: 8602 - 1293 - 8063 - 4529 + 453 - 6407

Answer: 28441


Question: 473 - 2568 + 9771 - 2525 + 3277 + 261 - 8230 + 6021

Answer: -5534


Question: 4999 - 3805 - 8073 + 3163 - 6269 - 8932 - 4975

Answer:
33890