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: 2653 + 9718 - 3237 + 2973 - 6895 - 18

SOLUTION: 112

PROBLEM: 1860 - 6675 + 8615 + 485 + 6302 - 3385 + 1568

SOLUTION: -5050

PROBLEM: 2900 - 2740 - 1706 + 6629

SOLUTION:
717