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: 8974 + 8978 - 8097

SOLUTION: 8093

PROBLEM: 8802 - 6452 - 1721 - 4775 + 1838 + 4933 + 9964 - 6909

SOLUTION: 11924

PROBLEM: 4495 + 1180 - 7554 - 4842

SOLUTION:
15711