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: 136 + 9772 - 2848 - 4980 + 6156 - 883 + 5407 + 3211

Answer: -15699


Question: 2671 + 3943 - 5777 + 7680

Answer: -3175


Question: 2070 + 930 - 1743 - 3598 - 7484 + 4217

Answer:
9748