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: 8798 - 6887 - 9478 - 7713 + 8512 + 7926 - 8604 + 2947 + 7573

SOLUTION: 14522

PROBLEM: 9403 + 6381 - 6599 - 2097 - 3046

SOLUTION: 14764

PROBLEM: 5403 + 8056 - 2287 - 2787 + 7648 - 1240 + 5048 + 2246 + 8974

SOLUTION:
-20255