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: 473 - 2568 + 9771 - 2525 + 3277 + 261 - 8230 + 6021

Answer: -5534


Question: 138 + 3973 - 6085 - 3324 + 6921 + 4411 + 1113 + 8310

Answer: -15181


Question: 6413 - 6859 - 4711

Answer:
17983