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: 9301 + 1619 - 7459 + 5871 + 2497 + 4093 + 7957 - 1085 - 6698

SOLUTION: 2506

PROBLEM: 1562 + 8343 + 8480

SOLUTION: -15261

PROBLEM: 1000 - 1778 - 7877 - 1058 - 6543

SOLUTION:
18256