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: 4449 @ 4019 @ 7637

SOLUTION: 16105

PROBLEM: 2020 @ 8125 # 252 # 2790 # 9183 @ 3123 # 7282 # 5115 # 1943

SOLUTION: -13297

PROBLEM: 5256 @ 7592 # 1825

SOLUTION:
11023