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: 6567 + 2835 + 6725

SOLUTION: -2993

PROBLEM: 1259 - 2367 + 9919 + 7196 + 4121

SOLUTION: -17610

PROBLEM: 3500 + 2051 - 6819 + 8962

SOLUTION:
-694