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: 1477 @ 6645 @ 6272 # 3080

SOLUTION: 11314

PROBLEM: 2653 @ 9718 # 3237 @ 2973 # 6895 # 18

SOLUTION: 5194

PROBLEM: 4555 # 7005 # 5018 @ 111 @ 7196 @ 6857 # 7541

SOLUTION:
-845