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: 6368 + 9565 - 7042 - 1940 - 9960
Example Output: 15745

Example Input: 6589 - 9791 + 4411 + 1562 - 9983
Example Output: 20390

Example Input: 5855 + 586 - 8818 + 4539 - 3603 - 4594 - 4245 - 8990
Example Output:
30980