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: 1163 - 3809 + 5176 - 2533 + 4885 - 8890 - 506 + 5874

SOLUTION: 966

PROBLEM: 7533 + 2213 - 7566 + 455 - 6321 - 2480 + 1023 + 2407

SOLUTION: 17802

PROBLEM: 8845 + 6474 + 7647 + 4848 - 9839 + 9923

SOLUTION:
-10208