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]: 4899 + 5775 - 8386 + 4273
[A]: 3237


[Q]: 5409 - 5550 + 3864 - 5911 + 5222
[A]: 7784


[Q]: 3930 - 4512 - 6201 - 3697 + 8636
[A]:
9704