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: 136 + 9772 - 2848 - 4980 + 6156 - 883 + 5407 + 3211

SOLUTION: -15699

PROBLEM: 5355 + 1451 - 3895 + 6213 + 743

SOLUTION: 843

PROBLEM: 4495 - 6383 + 2027 - 6808 - 2231

SOLUTION:
17890