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]: 8739 - 8064 - 7000 + 6709
[EX A]: 17094

[EX Q]: 9491 + 8647 - 4571 + 8815 - 4816 - 8552 + 1794
[EX A]: 8174

[EX Q]: 7293 + 6768 - 7567 + 972 + 5684
[EX A]:
1436