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: 3394 - 2316 - 9713

Answer: 15423


Question: 8798 - 6887 - 9478 - 7713 + 8512 + 7926 - 8604 + 2947 + 7573

Answer: 14522


Question: 9110 + 9206 + 8520 + 1250 + 3187 + 7649 - 6406 - 5787

Answer:
-8509