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: 9001 + 6216 - 1478 + 5475 - 8693 - 3911 - 319 + 4768 - 320

SOLUTION: 7263

PROBLEM: 6120 - 9271 - 7167 + 6916 - 2510 + 7854 - 7909 - 1960 - 3775

SOLUTION: 23942

PROBLEM: 8988 + 9565 + 4047 - 1723 + 7160 - 8838 + 5611 + 7126

SOLUTION:
-13960