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: 569 + 2078 + 2757 - 9211

SOLUTION: 4945

PROBLEM: 6051 + 6310 + 7813 + 2282 - 7601 + 4598 - 1928 - 9696 - 6497

SOLUTION: 10770

PROBLEM: 7837 + 8791 - 9983 + 9591 + 4918

SOLUTION:
-5480