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: 2514 - 3539 - 8491 + 7351 - 1448

SOLUTION: 8641

PROBLEM: 6894 + 3927 + 7884 - 4132 - 6563 + 4281

SOLUTION: 1497

PROBLEM: 7451 + 2964 + 1609 - 9543 - 679 + 381 - 9788 - 8125

SOLUTION:
30632