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.

7427 + 8795 - 4104 + 7720 - 6667
1683

1861 - 3929 + 4952 - 8280
9118

7102 - 5478 - 7976 - 5354 + 1340 - 2703 + 4148 - 6092

29217