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: 597 + 4303 + 4507 + 4779 - 8079

A: -4913
****
Q: 136 - 3238 + 3781 - 6552 - 4884 + 5366 - 657

A: 6320
****
Q: 4561 - 9852 - 6822 + 8160 + 8279 + 4895 - 3555 + 661 + 7439

A:
-4644
****