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: 4039 # 2314 # 8257 # 5828 @ 2387 @ 4250 @ 5479 # 991

SOLUTION: -1235

PROBLEM: 1262 # 4309 # 2911

SOLUTION: -5958

PROBLEM: 2825 @ 757 # 2974

SOLUTION:
608