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: 4117 - 7011 - 9534 - 3901 - 9537 + 6979

SOLUTION: 27121

PROBLEM: 2591 - 5867 - 9565

SOLUTION: 18023

PROBLEM: 7476 - 4322 + 1634 + 6061 + 5740 - 8351 - 2386 - 1436

SOLUTION:
10536