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: 9447 - 88 - 9606 - 2754
Example Output: 21895

Example Input: 1930 - 7631 - 6614 + 5805 + 7376
Example Output: 2994

Example Input: 4313 + 5743 - 7002 - 3095 - 84 - 1465 - 2122 + 6127 - 5595
Example Output:
11806