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: 8610 - 1799 + 6949 - 2118 + 2200 + 7263 + 3601 - 9571 - 1914
Example Output: 3999

Example Input: 2197 - 858 + 3895 + 2960 + 2798 + 7367 + 7414
Example Output:
-21379