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: 3477 + 8970 + 2278 - 9906 - 106 - 208 - 1334

Answer: 3783


Question: 397 + 1596 + 6102 + 2852 + 1239 + 3524 - 8019

Answer: -6897


Question: 4097 - 8374 - 8871 + 6806

Answer:
14536