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: 6355 - 3589 + 7310 - 5161 + 9803
Example Output: -2008

Example Input: 7308 + 5010 + 6882
Example Output: -4584

Example Input: 875 + 1299 - 1721 - 4432 - 7136 - 2468
Example Output:
15333