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: 1616 - 440 + 11

Answer: 2045


Question: 6844 + 1340 - 4174 - 5664 + 4911 - 5241

Answer: 15672


Question: 6537 - 6245 - 1123

Answer:
13905