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]: 2837 + 8737 + 9015 - 7647 - 1903 - 3427 - 2034 - 3680 - 8565
[A]: 12341


[Q]: 5398 + 4622 - 3983 - 2396 + 2403 - 2514
[A]: 7266


[Q]: 6357 + 9774 - 1115 - 350
[A]:
-1952