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: 1137 - 2413 - 5470 - 9797 + 2566

SOLUTION: 16251

PROBLEM: 6163 + 7356 + 5264 - 4766 + 9373 + 1271

SOLUTION: -12335

PROBLEM: 8483 + 8994 - 8347 - 1444 + 8794 + 2659 + 2518 + 9241

SOLUTION:
-13932