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: 5758 + 9179 - 1765 - 4142 - 8736
Example Output: 11222

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

Example Input: 381 - 4084 - 9377 - 3092
Example Output:
16934