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: 3284 - 2372 - 6880

A: 12536
****
Q: 1592 - 2894 - 9980 + 4503 - 4006 - 8338 - 6314 + 4860 + 6836

A: 16925
****
Q: 5421 - 7231 - 109 + 9974

A:
2787
****