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]: 6284 + 1234 + 9639 + 1470 + 4137 + 9445 + 5309 + 9797 - 4507
[A]: -30240


[Q]: 3385 - 6152 + 1565 - 9813 - 5112 - 2865 + 2979
[A]: 22783


[Q]: 1550 - 5914 + 2499
[A]:
4965