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: 9806 + 7051 + 6703 + 4233 - 276

SOLUTION: -7905

PROBLEM: 8354 + 2602 + 1315

SOLUTION: 4437

PROBLEM: 7829 + 9521 + 7215 - 949 + 7886

SOLUTION:
-15844