TASK DEFINITION: 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.
PROBLEM: 2167 - 8760 - 4771 - 8633 + 7929 + 9784 + 6892

SOLUTION: -274

PROBLEM: 4095 - 9640 - 5113 - 9355

SOLUTION: 28203

PROBLEM: 6803 - 2635 + 6938 + 5887 + 7868 + 6089 - 2241

SOLUTION:
-15103