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 - 7011 - 9534 - 3901 - 9537 + 6979
[EX A]: 27121

[EX Q]: 1788 + 4847 - 9342 - 2397
[EX A]: 8680

[EX Q]: 4748 + 1626 - 6309 + 9766
[EX A]:
-335