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: 8455 + 5516 - 2131 + 6151 + 6314 + 9308 + 5493

Answer: -22196


Question: 3394 - 2316 - 9713

Answer: 15423


Question: 6872 + 9293 - 9798

Answer:
7377