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: 5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859

SOLUTION: -4443

PROBLEM: 7894 @ 7649 # 4792

SOLUTION: 10751

PROBLEM: 3988 @ 5748 @ 8912 # 5267 @ 8599 # 3500 @ 5149

SOLUTION:
23629