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]: 397 + 1596 + 6102 + 2852 + 1239 + 3524 - 8019
[A]: -6897


[Q]: 138 + 3973 - 6085 - 3324 + 6921 + 4411 + 1113 + 8310
[A]: -15181


[Q]: 2737 - 6038 - 3722 + 5970 - 102 - 1742 + 607
[A]:
7764