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]: 3980 + 6122 + 3529 - 9952
[EX A]: 4281

[EX Q]: 2653 + 9718 - 3237 + 2973 - 6895 - 18
[EX A]: 112

[EX Q]: 2578 - 2888 + 7417 + 3946
[EX A]:
-5897