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: 5355 + 1451 - 3895 + 6213 + 743

SOLUTION: 843

PROBLEM: 6284 + 1234 + 9639 + 1470 + 4137 + 9445 + 5309 + 9797 - 4507

SOLUTION: -30240

PROBLEM: 3404 + 1282 - 804 - 9282 + 2168 + 6664 + 5157 - 6476

SOLUTION:
4695