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: 5773 - 2989 + 8993 + 6702 + 2237 - 1402 - 4236 - 1857

SOLUTION: -1675

PROBLEM: 7427 + 8795 - 4104 + 7720 - 6667

SOLUTION: 1683

PROBLEM: 231 - 2557 + 1972 - 2725 - 1573 - 8979 + 9655 - 191

SOLUTION:
4629