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: 8213 + 7145 + 5203 - 2621 + 1654 - 1844

SOLUTION: -1324

PROBLEM: 6368 + 9565 - 7042 - 1940 - 9960

SOLUTION: 15745

PROBLEM: 4218 + 5110 - 3026 - 5259 + 3048 - 6396 - 7702 + 5522 + 2622

SOLUTION:
10299