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: 6492 - 3901 + 3666 + 9196 - 3917 - 133

Answer: 1581


Question: 2475 - 126 + 138 - 2303 - 5327 - 6412 - 9849 - 8474 - 6460

Answer:
41288