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: 3126 - 612 - 9485 - 3358 + 8070

SOLUTION: 8511

PROBLEM: 2969 - 5770 - 665 + 516 - 1172 + 4904 - 384

SOLUTION: 5540

PROBLEM: 2496 - 1245 - 9250 + 6888 - 7427

SOLUTION:
13530