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: 5211 # 3266 @ 3042 @ 254 # 7823 @ 4298 # 8042 # 1629 # 6738

SOLUTION: -14693

PROBLEM: 1221 @ 4619 # 3319 @ 2958

SOLUTION: 5479

PROBLEM: 9826 # 9988 @ 4087 # 8175 # 1932 @ 9509

SOLUTION:
3327