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: 4117 - 7011 - 9534 - 3901 - 9537 + 6979

Answer: 27121


Question: 3186 + 271 - 7916

Answer: 10831


Question: 1566 - 8778 - 278 - 5679 + 6265 + 7723

Answer:
2313