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: 1649 + 4642 + 613 - 7051 - 8575

SOLUTION: 12020

PROBLEM: 9292 - 7471 - 1025 - 8458 + 444

SOLUTION: 25802

PROBLEM: 1547 + 4568 + 3505 - 278 + 9054

SOLUTION:
-15302