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: 2510 - 5839 + 9950 + 740

SOLUTION: -2341

PROBLEM: 7147 + 1234 - 7159 + 8304 - 934 + 3025 - 796 - 5291 - 2549

SOLUTION: 11313

PROBLEM: 8839 + 4786 - 7068 + 5502 + 1623 - 1959 - 8567 + 3743 + 4578

SOLUTION:
6201