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: 7525 + 263 - 1634 + 3644 + 6905 - 167

SOLUTION: -1486

PROBLEM: 2756 + 9349 + 4395 - 5646 - 8913 - 8247 + 8575 - 6687

SOLUTION:
9930