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: 4397 - 3478 - 9837 - 7164 + 7972 + 3676

Answer: 13228


Question: 9485 + 6349 - 1527 - 4730 - 5865 + 851 - 7415 - 3548 + 2868

Answer: 22502


Question: 1618 - 653 + 1592 + 2041

Answer:
-1362