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: 6639 - 5724 - 3521 - 6709 - 6185 + 6067 + 9560 - 9829 + 8371

SOLUTION: 14609

PROBLEM: 2510 - 5839 + 9950 + 740

SOLUTION: -2341

PROBLEM: 6499 - 2579 - 7662 - 3063 + 5789 + 190 - 8589 - 2216 - 2528

SOLUTION:
27157