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: 7744 - 1859 - 3667 + 1907 - 2807

Answer: 14170


Question: 2759 - 7972 - 7615 + 151

Answer: 18195


Question: 3632 - 3235 - 6217 - 627 + 8821

Answer:
4890