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: 5316 + 506 - 8402

SOLUTION: 13212

PROBLEM: 5986 + 9293 + 3288 - 1791 + 6613 + 8185 - 7053

SOLUTION: -12549

PROBLEM: 8981 + 5011 + 1483

SOLUTION:
2487