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: 8213 + 7145 + 5203 - 2621 + 1654 - 1844

Answer: -1324


Question: 9060 + 6995 - 9090 + 8450 - 5246 + 5012

Answer: 2939


Question: 7764 + 9777 + 7671 - 5688 + 9541 + 6785

Answer:
-20322