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: 5661 + 5694 + 8212 - 8431 - 6340 + 4336 + 2022 - 5623
Example Output: 5791

Example Input: 9489 - 1093 - 1183
Example Output: 11765

Example Input: 8127 + 9088 + 3029 - 4217 + 3490 - 3983 + 4601 - 8047 - 9254
Example Output:
13420