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: 5525 + 201 - 6676 - 332 - 3348
Example Output: 15680

Example Input: 3631 - 7822 - 8283 + 4667 - 697
Example Output: 15766

Example Input: 5492 - 3733 + 356 + 9093
Example Output:
-224