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: 5525 + 201 - 6676 - 332 - 3348
Example Output: 15680

Example Input: 2318 + 1498 - 953 + 3290 + 1371 + 6933 + 7553 + 7283 + 889
Example Output: -25546

Example Input: 3641 - 650 + 4731 - 1519 - 9363
Example Output:
10442