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: 6051 + 6310 + 7813 + 2282 - 7601 + 4598 - 1928 - 9696 - 6497
Example Output: 10770

Example Input: 318 - 2977 - 9352 - 3082 - 5224 + 3028 - 7022
Example Output: 24947

Example Input: 4141 + 8541 + 7140 - 3808 + 7447
Example Output:
-15179