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: 6820 - 387 + 8290 - 9203 - 9292 + 9249 - 3079

Answer: 11242


Question: 8571 - 5985 + 8912

Answer: 5644


Question: 6819 + 6567 - 3943 - 4800 + 8926 - 1642 + 9292 - 9038 + 7858

Answer:
-6401