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: 9488 + 7771 + 5889 + 9584 + 3302 - 1602 + 5806 - 8895 - 8030
Example Output: -4337

Example Input: 2318 + 1498 - 953 + 3290 + 1371 + 6933 + 7553 + 7283 + 889
Example Output: -25546

Example Input: 7762 - 3093 + 827 - 1539
Example Output:
11567