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: 2980 - 6793 - 1879 + 5728 - 4199

SOLUTION: 10123

PROBLEM: 7344 + 9206 + 3989 + 5648 - 7620

SOLUTION: -3879

PROBLEM: 6303 - 4864 + 4689 + 2734 + 5293 + 5151

SOLUTION:
-6700