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: 1655 @ 6751 # 5432 @ 5817 @ 3005 # 1615

SOLUTION: 10181

PROBLEM: 8161 @ 9287 # 6233

SOLUTION: 11215

PROBLEM: 5525 @ 201 # 6676 # 332 # 3348

SOLUTION:
-4630