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

Answer: 1581


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

Answer: 13228


Question: 9985 - 3701 - 1868 + 3317

Answer:
12237