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: 8171 + 8357 + 171 - 3129 - 6929

Answer: 9701


Question: 6570 + 2902 + 9219 - 6971 + 6886 + 765

Answer: -6231


Question: 1103 + 1558 + 5743

Answer:
-6198