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]: 2653 + 9718 - 3237 + 2973 - 6895 - 18
[A]: 112


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


[Q]: 897 - 1915 + 885 - 7836 - 2143 - 3251 - 6339
[A]:
21496