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.

[Q]: 1011 - 5404 + 4286 - 549 - 4178 - 1559
[A]: 8415


[Q]: 6874 + 7308 - 3041
[A]: 2607


[Q]: 6440 - 1371 + 7209 - 7853 - 9551 - 1875
[A]:
19881