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: 1943 + 6084 + 8719 + 2400 + 8595 - 7077 + 1264
Example Output: -18042

Example Input: 5193 - 9816 - 9875 - 1011 + 1147 + 5023
Example Output: 19725

Example Input: 6844 + 1340 - 4174 - 5664 + 4911 - 5241
Example Output:
15672