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]: 4899 + 5775 - 8386 + 4273
[EX A]: 3237

[EX Q]: 2144 - 4158 + 4207
[EX A]: 2095

[EX Q]: 7960 - 7906 - 7950
[EX A]:
23816