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: 5473 - 4337 - 6499 - 9119

SOLUTION: 25428

PROBLEM: 5328 + 9563 + 7711

SOLUTION: -11946

PROBLEM: 8237 + 4421 - 6684

SOLUTION:
10500