TASK DEFINITION: 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.
PROBLEM: 3586 - 8301 + 9044 + 6100 - 8837 + 8230 + 7670 - 8406

SOLUTION: -1914

PROBLEM: 8155 + 6800 - 6839 - 8047 + 3270

SOLUTION: 12971

PROBLEM: 5985 + 8288 - 9278 + 5361 + 4582 - 3284 + 31 - 89 + 2320

SOLUTION:
-1946