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: 155 + 7497 + 4675 - 2329 - 9080 - 5510 - 2336 + 8701

SOLUTION: -1463

PROBLEM: 4533 - 9566 - 2287 + 4647 + 5056 + 6340 + 777 - 4673 + 2170

SOLUTION: 2069

PROBLEM: 8571 - 5985 + 8912

SOLUTION:
5644