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: 8354 + 2602 + 1315

SOLUTION: 4437

PROBLEM: 5856 - 8885 - 8510 + 7879 + 2100

SOLUTION: 13272

PROBLEM: 2104 + 9831 + 2328

SOLUTION:
-10055