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: 42 + 6517 - 146 + 304 - 4759 + 148 - 3822

A: 1800
****
Q: 9909 - 1362 + 9804 + 5190 + 8223 - 3758

A: -8188
****
Q: 7193 + 9724 - 8644 + 3615 - 1460 - 4129 - 5164

A:
13251
****