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: 3631 - 7822 - 8283 + 4667 - 697

SOLUTION: 15766

PROBLEM: 365 + 3086 - 9118 - 8101 + 6550 + 80 - 1897 - 1498 - 8498

SOLUTION: 19761

PROBLEM: 4249 - 9021 - 6894

SOLUTION:
20164