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: 2862 - 964 + 1644

SOLUTION: 2182

PROBLEM: 3665 - 3814 - 8543

SOLUTION:
16022