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: 4310 + 5678 + 9065 - 8181 + 5925 - 3189 + 558

Output: -5546


Input: Consider Input: 1943 + 6084 + 8719 + 2400 + 8595 - 7077 + 1264

Output: -18042


Input: Consider Input: 6454 + 885 + 4489 + 543 + 9829 + 5761 - 2617


Output: -12436