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: 8247 - 6987 - 8915 - 9962

Answer: 34111


Question: 1887 - 5213 + 516 - 4107 - 7681 - 125 - 1788 + 124 - 1460

Answer: 21621


Question: 7503 + 7654 - 9746 - 6284 + 1026 - 1604 + 5977 + 1320 + 8752

Answer:
408