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: 4515 - 2156 - 8427 - 2175

Answer: 17273


Question: 1573 + 2934 + 9701

Answer: -11062


Question: 1658 + 9005 - 9871

Answer:
2524