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.

155 + 7497 + 4675 - 2329 - 9080 - 5510 - 2336 + 8701
-1463

2443 + 7109 + 4711
-9377

8739 - 8064 - 7000 + 6709

17094