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: 5355 + 1451 - 3895 + 6213 + 743

SOLUTION: 843

PROBLEM: 4032 - 1366 + 7509 + 5803 + 1506

SOLUTION:
-9420