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: 2443 + 7109 + 4711

SOLUTION: -9377

PROBLEM: 5661 + 5694 + 8212 - 8431 - 6340 + 4336 + 2022 - 5623

SOLUTION: 5791

PROBLEM: 839 - 2773 + 2850 + 4857 + 5774 + 8069 + 6921

SOLUTION:
-24859