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: 981 + 3338 + 96 + 3479 + 574 + 2567 + 3009 + 2356 - 4663

SOLUTION: -9775

PROBLEM: 8513 - 7119 - 47

SOLUTION: 15679

PROBLEM: 2526 + 2860 - 2976 - 3663 + 6765 - 8070 - 274

SOLUTION:
7884