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: 555 + 1174 + 4465 + 6452 + 3211 + 2960 - 856 + 4997 - 9930

SOLUTION: -11918

PROBLEM: 1737 + 1422 + 9162 - 7244 + 6133

SOLUTION: -7736

PROBLEM: 2132 + 1705 + 943

SOLUTION:
-516