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: 6284 + 1234 + 9639 + 1470 + 4137 + 9445 + 5309 + 9797 - 4507

Answer: -30240


Question: 7388 - 3073 - 1891 + 2180 + 1361 - 9381 + 566 - 2665

Answer: 20291


Question: 2867 + 6098 + 8444 - 8577

Answer:
-3098