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: 4854 - 3903 - 3601 - 6666 - 170 - 3411 - 1306

SOLUTION: 23911

PROBLEM: 1278 + 4628 + 2357 + 3694 + 5775 + 8542 - 793

SOLUTION: -22925

PROBLEM: 1110 - 9323 + 2002 - 6622 + 2536 + 938 + 654 - 9477

SOLUTION:
20402