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: 9616 - 8145 + 562 + 3160 - 8906 - 360 + 9291 + 7609 + 460
Example Output: 5945

Example Input: 6603 - 3783 + 3030 - 5787 + 8478 + 3046 - 1629
Example Output: 3248

Example Input: 6927 - 9470 + 673 - 1626 + 9270
Example Output:
8080