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: 7099 + 7754 - 6005 + 852 - 2187 + 4606 - 6703

SOLUTION: 8782

PROBLEM: 2738 - 5562 + 4529 + 5438 + 1799

SOLUTION:
-3466