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: 8849 + 869 + 880 + 8843 + 8122

SOLUTION: -9865

PROBLEM: 2596 + 8164 - 6385 + 6704

SOLUTION: -5887

PROBLEM: 372 - 5391 - 6089 - 6729

SOLUTION:
18581