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: 138 + 3973 - 6085 - 3324 + 6921 + 4411 + 1113 + 8310

SOLUTION: -15181

PROBLEM: 5328 + 9563 + 7711

SOLUTION: -11946

PROBLEM: 3124 - 2469 - 1553 + 8518 + 8442 - 165 - 5319 + 194 + 675

SOLUTION:
-5199