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]: 4117 - 3380 - 4784
[EX A]: 12281

[EX Q]: 4062 - 644 + 187 - 4501 + 1736 - 230
[EX A]: 7514

[EX Q]: 3878 - 6610 - 7375 - 1174 + 1974
[EX A]:
17063