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.

Example Input: 3089 - 6778 - 3604 - 1052 - 1332
Example Output: 15855

Example Input: 5758 + 9179 - 1765 - 4142 - 8736
Example Output: 11222

Example Input: 176 + 7713 - 502 + 2145 - 9040 + 9932
Example Output:
-10072