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.

Input: Consider Input: 6063 - 1864 - 483 - 1341 - 2631 + 8383 - 1284

Output: 5283


Input: Consider Input: 8403 + 1868 + 5827 + 5471 - 3746 + 1027 - 5777

Output: 3733


Input: Consider Input: 2862 + 8443 + 156 + 7135 + 7877 - 7643 - 4084


Output: -9022