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: 4286 + 2085 - 8347

SOLUTION: 10548

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

SOLUTION: 27121

PROBLEM: 4776 + 4747 + 2449 + 1925 - 9206 + 5010 - 4131

SOLUTION:
3982