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.
Example: 5 + 3
Example solution: 2
Example explanation: Here, '+' represents subtraction operation. So, the answer is 2 (5-3=2).

Problem: 126 + 8943 + 2476 - 7766 + 2271 - 7213 + 6602 - 8086 + 2129

Solution: 770