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: 4495 + 1180 - 7554 - 4842

SOLUTION: 15711

PROBLEM: 4292 - 7663 + 6931 + 1332 + 5698 + 4887 - 9479 - 1571 - 6095

SOLUTION: 10252

PROBLEM: 1860 - 6344 - 6696 - 6874 + 2949 + 2875 - 7713 + 7084

SOLUTION:
16579