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: 4444 + 4575 - 2114 - 4099
Example Output: 6082

Example Input: 2605 - 3453 + 5543 + 2400 + 8799 + 3298 + 4981 + 9739 - 178
Example Output: -28524

Example Input: 5860 - 3046 + 8768 + 2986 + 6767
Example Output:
-9615