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: 8974 + 8978 - 8097

SOLUTION: 8093

PROBLEM: 5280 - 2256 + 2782

SOLUTION:
4754