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: 452 - 5631 - 8307 - 1886 + 4631 + 1695 + 4411 - 769

SOLUTION: 6308

PROBLEM: 4284 - 8233 + 2781 - 2769 - 5560 + 635 - 1706 + 1965 + 6794

SOLUTION: 10377

PROBLEM: 5245 - 2258 + 1333 - 9626 + 7040 + 9804

SOLUTION:
-1048