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.

2167 - 8760 - 4771 - 8633 + 7929 + 9784 + 6892
-274

9748 + 7907 + 7494 - 2074 + 9313
-12892

7502 + 5934 + 1731

-163