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: 6439 - 6685 + 6156 - 3314 + 6845 - 6872

Answer: 10309


Question: 7671 - 2300 - 9650 - 6692 + 7656 + 4940 - 2878 - 5602 + 7222

Answer: 14975


Question: 7725 - 2225 + 6472 + 8964 + 4198 + 3102

Answer:
-12786