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: 3438 - 3865 - 956 - 3020 + 2696

SOLUTION: 8583

PROBLEM: 1884 + 3670 - 3893 + 782 + 3288 - 7463 + 3214

SOLUTION: 2286

PROBLEM: 7889 - 2966 - 6461 - 7795 - 8897 - 8405 - 3748 + 4118 - 3428

SOLUTION:
45471