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: 2144 - 4158 + 4207

Answer: 2095


Question: 7528 - 4788 + 7674 + 4839 + 6930 + 4883 + 9734

Answer: -21744


Question: 5228 + 3310 + 4399 - 7474 - 6812 + 9350 - 8429

Answer:
10884