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: 4515 - 2156 - 8427 - 2175

SOLUTION: 17273

PROBLEM: 9748 + 7907 + 7494 - 2074 + 9313

SOLUTION: -12892

PROBLEM: 445 + 9703 - 1567 - 9128 - 9089 - 3398 - 7641 + 4760

SOLUTION:
16805