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.

7533 + 2213 - 7566 + 455 - 6321 - 2480 + 1023 + 2407
17802

4325 + 2332 + 1470 - 1881 + 9204 - 2529 - 5460 + 5554
-4365

5338 - 2259 + 5014 - 1033 + 3745 + 4120 + 7303 + 9668

-21220