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: 6277 # 2029 # 4158 @ 5412 # 6845 # 6694 @ 5432

SOLUTION: -2605

PROBLEM: 9879 # 8585 @ 4078 # 6210 @ 7239 @ 3002 # 2455 @ 9817

SOLUTION: 16765

PROBLEM: 475 @ 5288 @ 2844 # 42 @ 8267 @ 9335 @ 4339

SOLUTION:
30506