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: 2500 + 3268 - 574 + 5695 - 2143 + 404 - 196

Answer: -3954


Question: 7533 + 2213 - 7566 + 455 - 6321 - 2480 + 1023 + 2407

Answer: 17802


Question: 410 - 7212 - 3355 + 2520

Answer:
8457