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: 6055 - 7226 + 1875 + 7504 - 1238 - 4445 + 412 - 5560
Example Output: 14733

Example Input: 3438 - 3865 - 956 - 3020 + 2696
Example Output: 8583

Example Input: 3427 - 9547 + 3870 - 3470 - 9339 + 1946 + 4167 - 1567
Example Output:
17367