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: 1311 + 7420 + 9121 + 7525 - 8582 + 528 + 1094

SOLUTION: -15795

PROBLEM: 3881 + 3747 + 6493 - 7538

SOLUTION: 1179

PROBLEM: 9438 + 3333 - 9989 + 3024 + 6073 + 2401 + 1130 + 1884 - 2781

SOLUTION:
4363