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: 23 - 7991 - 1064 + 8364

SOLUTION: 714

PROBLEM: 9689 - 3967 - 2592 - 3020 - 6589

SOLUTION: 25857

PROBLEM: 810 + 7251 - 6096 - 326 + 7273 - 3192 + 5085 - 5505

SOLUTION:
-3680