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: 9118 + 5545 - 3160 + 3672 - 3568 + 5997 + 205 + 7095
Example Output: -6668

Example Input: 5409 - 5550 + 3864 - 5911 + 5222
Example Output: 7784

Example Input: 9152 + 5663 - 2071 + 4114 + 742
Example Output:
704