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: 4899 + 5775 - 8386 + 4273

SOLUTION: 3237

PROBLEM: 1989 - 7828 - 4806 - 7481 + 9860 - 9696 - 7086 + 272 + 8952

SOLUTION: 19802

PROBLEM: 7778 - 786 - 1326 - 7418 + 4317 - 3634

SOLUTION:
16625