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]: 8602 - 1293 - 8063 - 4529 + 453 - 6407
[A]: 28441


[Q]: 1943 + 6084 + 8719 + 2400 + 8595 - 7077 + 1264
[A]: -18042


[Q]: 7956 + 1391 + 7612 + 642 - 9603
[A]:
7914