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.

1971 - 5591 + 4038 + 5571
-2047

6738 - 471 + 8724
-1515

3285 - 4805 - 7542 - 8622 + 2276

21978