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: 8849 + 869 + 880 + 8843 + 8122
Example Output: -9865

Example Input: 9852 - 24 - 2468 + 5798 + 6384
Example Output: 162

Example Input: 5586 + 3703 - 1171 + 1530 - 1411 + 610 - 9175 - 5576 - 224
Example Output:
17300