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: 7555 + 8285 + 7132 + 9363 - 3515

Answer: -13710


Question: 1701 + 3893 - 695 + 2870 + 5011

Answer: -9378


Question: 8564 - 3939 + 7007

Answer:
5496