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: 3123 + 9519 - 2864 + 9440 - 756 + 252

A: -12468
****
Q: 6439 - 6685 + 6156 - 3314 + 6845 - 6872

A: 10309
****
Q: 7291 - 941 - 33 + 3812 + 4851 - 8716 - 6838 - 740

A:
15896
****