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: 8433 + 1618 + 9022 - 2431 - 8097 + 8068

A: 253
****
Q: 8053 - 8275 + 3672 - 7233 + 8748 - 1270 - 6997 - 7566 + 5689

A: 21285
****
Q: 6872 + 2397 + 4068 - 2497 - 4339

A:
7243
****