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: 5299 - 8791 + 6861

SOLUTION: 7229

PROBLEM: 961 + 1754 - 8392 + 2659 - 495 + 358

SOLUTION: 5077

PROBLEM: 7177 - 3190 + 17 - 6917 - 4457 + 5140 - 4461 + 7466 - 272

SOLUTION:
13851