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 Input: 1808 - 5352 - 8697 + 5058 + 8777 + 8089 - 9688 + 9784
Example Output: -6163

Example Input: 5113 - 8987 - 452
Example Output: 14552

Example Input: 9129 + 4750 - 9633 - 5087 - 1508 + 8353 + 1647 + 7714 + 2086
Example Output:
807