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: 2370 # 437 # 89 # 6625 # 2724 @ 1767 # 2848 @ 3753

SOLUTION: -4833

PROBLEM: 7843 @ 29 # 2112 @ 8460 @ 3013

SOLUTION:
17233