TASK DEFINITION: In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer
PROBLEM: 872 @ 547 # 4476 @ 6631 # 8433 # 452 @ 5115

SOLUTION: -196

PROBLEM: 6267 @ 3304 @ 9078 @ 9734 # 2947 # 4223 @ 4824 # 3116

SOLUTION: 22921

PROBLEM: 703 # 3123 @ 624

SOLUTION:
-1796