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: 4647 - 2106 + 6760 + 3296 - 9772
Example Output: 6469

Example Input: 1815 - 3167 - 773
Example Output: 5755

Example Input: 3093 - 6319 + 1365 + 5441 - 7113 + 4888 - 9130 - 5587 + 9356
Example Output:
10192