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: 3385 - 6152 + 1565 - 9813 - 5112 - 2865 + 2979
Example Output: 22783

Example Input: 8967 + 529 - 1163 - 2651 + 7174 - 2929
Example Output: 8007

Example Input: 5188 - 8045 + 1409 + 5461 + 2082 - 5625 - 6227
Example Output:
16133