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: 9491 + 8647 - 4571 + 8815 - 4816 - 8552 + 1794

A: 8174
****
Q: 5398 + 4622 - 3983 - 2396 + 2403 - 2514

A: 7266
****
Q: 5528 + 4083 - 1155 - 3971 - 4068 - 7013

A:
17652
****