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: 1943 - 4300 + 9696 + 9307 + 2702 - 798 - 26

Output: -14638


Input: Consider Input: 84 - 4898 - 2883 + 5111 - 7812 - 5830 + 3330 + 8500 + 6754

Output: -2188


Input: Consider Input: 9024 + 9687 - 8866 + 6042 - 9351


Output: 11512