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: 3631 - 7822 - 8283 + 4667 - 697

Answer: 15766


Question: 220 - 5891 + 2603 + 7125 - 7551 - 3288

Answer: 7222


Question: 6943 + 8653 + 2004 - 5443 + 9178 - 2157 - 6982

Answer:
1690