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: 2982 + 9912 - 1386 + 7183 + 259 - 2370

SOLUTION: -10616

PROBLEM: 8666 + 80 + 2370 - 4680 - 3944 + 3621 + 4402 - 5171

SOLUTION: 11988

PROBLEM: 3797 + 9406 + 9784 + 3312 - 4026 - 5890 + 3076 - 6856

SOLUTION:
-5009