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]: 9447 - 88 - 9606 - 2754
[EX A]: 21895

[EX Q]: 5113 - 8987 - 452
[EX A]: 14552

[EX Q]: 7615 + 4087 - 4907
[EX A]:
8435