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: 4292 - 7663 + 6931 + 1332 + 5698 + 4887 - 9479 - 1571 - 6095

Output: 10252


Input: Consider Input: 5860 + 3039 - 7874 - 3584 - 144

Output: 14423


Input: Consider Input: 9988 + 3617 + 1848 - 4236 - 6751 - 8387 + 8055


Output: 15842