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: 2678 # 5467 @ 8355 # 3124 # 5654

SOLUTION: -3212

PROBLEM: 1278 @ 4628 @ 2357 @ 3694 @ 5775 @ 8542 # 793

SOLUTION: 25481

PROBLEM: 5028 # 6077 # 3832 # 6952 @ 3572 # 2081 @ 570

SOLUTION:
-9772