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: 812 + 6106 - 2904 + 7738 + 7655 - 6987

Answer: -10796


Question: 7053 - 797 + 1011 - 43 - 2798 - 1572 - 4498

Answer: 15750


Question: 2531 - 3066 - 2922 - 4747 + 1005 - 3637

Answer:
15898