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: 7169 + 1918 - 7501 + 5160 + 9033 - 3341 + 4286

SOLUTION: -2386

PROBLEM: 4110 - 9440 + 557 + 7868 - 6315 + 2518 - 9049 + 3905 + 2052

SOLUTION: 12014

PROBLEM: 7646 + 8509 - 4372 - 9840 - 6377 - 2924 + 869

SOLUTION:
21781