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]: 6433 + 6891 + 2386 - 7923 - 2419 + 7641
[A]: -143


[Q]: 1887 - 5213 + 516 - 4107 - 7681 - 125 - 1788 + 124 - 1460
[A]: 21621


[Q]: 8132 + 9019 + 955 - 1540 + 6294
[A]:
-6596