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.
--------
Question: 136 - 3238 + 3781 - 6552 - 4884 + 5366 - 657

Answer: 6320


Question: 1673 - 3914 + 8016 + 5937 - 8915 + 4818

Answer: -4269


Question: 8354 + 2602 + 1315

Answer:
4437