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: 7147 + 1234 - 7159 + 8304 - 934 + 3025 - 796 - 5291 - 2549

Answer: 11313


Question: 9274 - 4651 - 1690 + 3491 - 7611 - 7099 - 7120 - 6471 - 6685

Answer:
47110