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: 1311 + 7420 + 9121 + 7525 - 8582 + 528 + 1094

Answer: -15795


Question: 4854 - 3903 - 3601 - 6666 - 170 - 3411 - 1306

Answer: 23911


Question: 1845 - 1101 - 948

Answer:
3894