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: 3631 - 7822 - 8283 + 4667 - 697

Answer: 15766


Question: 8247 - 6987 - 8915 - 9962

Answer: 34111


Question: 753 + 6715 - 5814 - 5712 - 1824 + 2633 - 8408 - 8018

Answer:
21181