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]: 7930 - 2835 - 1925 - 6613
[A]: 19303


[Q]: 4139 - 6541 - 2616 + 299 - 700 - 6684
[A]: 20381


[Q]: 6894 + 3927 + 7884 - 4132 - 6563 + 4281
[A]:
1497