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: 826 # 6501 # 223 @ 9761 # 8863

SOLUTION: -5000

PROBLEM: 6199 # 9863 # 8197 # 3975 @ 1000 @ 740 @ 3216 @ 2122 # 4226

SOLUTION: -12984

PROBLEM: 945 @ 3165 # 7095 # 2799 @ 7353 # 3944 # 6188 @ 8741

SOLUTION:
178