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: 1229 - 4354 + 912 - 1766

Answer: 6437


Question: 3097 + 17 - 8842 + 4949 + 8377 + 425 - 7128 + 6500

Answer: -1201


Question: 4469 - 2074 - 4368 + 4799 + 6797 + 9995 - 5146 - 2201

Answer:
-3333