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: 5860 + 3039 - 7874 - 3584 - 144
Example Output: 14423

Example Input: 4486 + 7884 - 172 + 2615
Example Output: -5841

Example Input: 1122 + 3359 + 4856 - 8802 + 600 + 3512 - 4067 + 6320 + 711
Example Output:
-5367