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: 333 - 4061 - 2641 + 9107 - 876 + 913 - 2286 - 7626
Example Output: 7803

Example Input: 5161 + 8791 + 9352 + 7272 + 935 + 8632 + 1201
Example Output: -31022

Example Input: 3158 - 6631 - 7266 - 5548 + 3 - 4436 + 8748 - 4904
Example Output:
23192