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: 1260 + 6532 + 3162 + 7255
Example Output: -15689

Example Input: 6763 - 8006 - 6381 - 8852 + 6218 + 3788 + 7296
Example Output: 12700

Example Input: 5482 - 4153 + 5336 - 433
Example Output:
4732