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.

1344 + 7632 - 4322
-1966

2977 - 4470 - 76 + 164 + 8433 - 2054 - 4953
5933

2640 + 8781 - 880 - 1845 - 9549 - 4919 - 636

11688