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: 2821 @ 5327 # 3350 # 3607 @ 7010 @ 6824 # 9975 # 38

SOLUTION: 5012

PROBLEM: 2186 # 2436 # 4269 # 2175 @ 4101 # 2723 @ 6192 # 7530

SOLUTION: -6654

PROBLEM: 87 @ 2732 @ 3622 # 6181 @ 166

SOLUTION:
426