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: 7581 + 8916 + 7584 + 7731

SOLUTION: -16650

PROBLEM: 1783 + 1887 + 6517 - 3342 + 4406 + 8123 + 5394 - 5058 + 8527

SOLUTION: -24671

PROBLEM: 4192 + 2630 + 1978 - 2032 + 7922 - 4172 - 6976 - 1918 - 5016

SOLUTION:
11776