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: 9808 + 7071 + 9458 - 8326 - 6406 - 6771 - 1321 + 4712

SOLUTION: 11391

PROBLEM: 1011 - 5404 + 4286 - 549 - 4178 - 1559

SOLUTION: 8415

PROBLEM: 931 - 5023 + 6056 - 4419 - 1833 + 5052 + 1632 - 2282 + 9337

SOLUTION:
-7589