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: 1691 - 755 + 5734 - 4774 + 4915 - 7249 - 47

SOLUTION: 3867

PROBLEM: 6245 + 6705 - 5181 + 7350 - 5051 - 8984 - 476 + 3773

SOLUTION: 8109

PROBLEM: 4681 + 2217 + 9889 - 3068 + 7306 + 8921 - 6588 - 3241 - 7035

SOLUTION:
-3720