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: 8137 + 5006 - 7743 + 1478

Answer: 9396


Question: 2605 - 3453 + 5543 + 2400 + 8799 + 3298 + 4981 + 9739 - 178

Answer: -28524


Question: 1424 + 9759 + 671 + 3508

Answer:
-12514