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: 5473 - 4337 - 6499 - 9119

SOLUTION: 25428

PROBLEM: 3719 - 4138 - 7321 - 9097 + 4558 + 9667 + 1909 + 647 - 6132

SOLUTION: 13626

PROBLEM: 6661 + 1434 - 4772 - 3274 + 3728 + 3147 + 8017 - 1069 + 9909

SOLUTION:
-10459