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: 5986 + 9293 + 3288 - 1791 + 6613 + 8185 - 7053
Example Output: -12549

Example Input: 178 + 5236 - 8372 - 6825 + 1044 - 7818 - 4765 + 7418
Example Output: 14260

Example Input: 4976 - 1873 + 3716 - 1478 + 6524 - 2417 - 5391
Example Output:
5895