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: 1075 - 4704 - 8582 + 2960 + 8010 + 617 - 4972 + 2013

Output: 5733

Input: Consider Input: 3428 - 8444 - 2270 - 3241 - 1368 - 8884 - 6840 - 5265

Output: 39740

Input: Consider Input: 9036 + 5610 - 3772 + 1313 - 4773 + 8533 - 2332 + 4095 - 9999
Output: 10361