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: 3384 - 2434 - 5567
Example Output: 11385

Example Input: 5806 - 3876 - 963 + 1876 - 3233 + 3527 + 6012 + 2124
Example Output: 339

Example Input: 5812 - 9168 - 4478 - 1484 + 2569 + 9392 - 4048
Example Output:
13029