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: 1691 - 755 + 5734 - 4774 + 4915 - 7249 - 47
Example Output: 3867

Example Input: 5778 - 5516 - 1453 + 7326 - 5703
Example Output: 11124

Example Input: 7760 - 4355 - 277 - 6512 - 1085 - 7528 + 9766 + 2204 + 3341
Example Output:
12206