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.

Q: 171 - 966 + 1234 - 1722 - 4406 + 9773 - 1161

A: -2581
****
Q: 2167 - 8760 - 4771 - 8633 + 7929 + 9784 + 6892

A: -274
****
Q: 1241 - 3337 - 7154 - 6666

A:
18398
****