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.

6694 + 8723 - 1592 + 7366 + 9388
-17191

8171 + 8357 + 171 - 3129 - 6929
9701

2154 - 2354 + 7132 + 6772 + 9125 + 5400 - 8025 - 6343

-9553