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.

[EX Q]: 8901 - 4785 + 1969 + 5985 + 517 + 5651 + 170
[EX A]: -606

[EX Q]: 1231 + 6657 - 8263
[EX A]: 2837

[EX Q]: 6912 + 854 - 1503 - 7597 + 2442 - 2187 - 1980 - 4516 - 4311
[EX A]:
25710