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: 7930 - 2835 - 1925 - 6613

Answer: 19303


Question: 569 + 2078 + 2757 - 9211

Answer: 4945


Question: 4274 - 4385 - 2316 - 7783

Answer:
18758