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: 4444 + 4575 - 2114 - 4099
Example Output: 6082

Example Input: 9964 + 5009 - 6772 + 8761 + 2075 + 6292 + 4157 + 5194
Example Output: -14752

Example Input: 97 + 4209 - 1642 - 3054 - 7714
Example Output:
8298