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: 8576 - 8960 - 1317 + 5701 + 5413 - 1195 + 135

SOLUTION: 8799

PROBLEM: 1652 - 8207 + 7790

SOLUTION:
2069