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: 6108 + 2133 + 8600
Example Output: -4625

Example Input: 6424 - 7552 - 1073 - 2076 + 982 + 7820 + 8938 - 9935
Example Output:
9320