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: 7581 + 8916 + 7584 + 7731

A: -16650
****
Q: 6667 - 31 + 1584 - 1542 - 6475 + 9319 + 2509 - 1895

A: 3198
****
Q: 6220 + 7155 - 7232 - 7447

A:
13744
****