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: 4224 + 9155 + 116 - 5148 - 7166 - 7397 - 3883 - 2139

Answer: 20686


Question: 3069 + 3141 - 6765 + 85 - 9346 + 8391 + 121 + 7644

Answer: -202


Question: 7806 - 6020 - 4616 + 3594 - 6312 - 5362 - 4403 + 3666

Answer:
27259