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: 2131 + 4513 + 3760 - 9342 + 7779 + 4653 + 3111

Answer: -12343


Question: 2776 - 8931 + 2788 + 8315 - 6570 + 8385 - 2789

Answer: 1578


Question: 6796 - 5118 + 4061 + 2573 - 7960 + 5889 - 7812 + 3174

Answer:
11989