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: 4290 - 4119 + 8067 - 8217 + 6730 - 6268 + 4210 - 9243 + 2886

Solution: 10244