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]: 1540 + 6977 + 9400 - 5524 - 1970 + 8397 - 6006 + 3183
[EX A]: -12917

[EX Q]: 3421 - 71 + 7643 - 8661 + 520 - 6536 + 9411
[EX A]: 1115

[EX Q]: 4014 - 6324 + 9485 + 2205 - 1074
[EX A]:
-278