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: 1540 - 5813 + 7469 - 9112 - 5041 + 3059 + 9305 + 6949

Solution: -5276