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: 7646 + 8509 - 4372 - 9840 - 6377 - 2924 + 869

SOLUTION: 21781

PROBLEM: 8379 + 6247 - 4435 + 207 - 3793 + 7248 + 1488

SOLUTION: 1417

PROBLEM: 7682 - 8311 + 8361 - 1512 - 2430 + 7730

SOLUTION:
3844