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.

1540 + 6977 + 9400 - 5524 - 1970 + 8397 - 6006 + 3183
-12917

7025 + 6005 + 6548 - 4628
-900

1116 + 5345 - 3725 - 73 - 5973 - 7929 - 5187 - 8396

27054