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: 5425 @ 6980 # 4301 @ 4410 # 7405 # 552 @ 4556 # 8531 # 4935

SOLUTION: -4353

PROBLEM: 3782 @ 4127 # 1265 # 1395 @ 2430 @ 6990 @ 8573 @ 8170

SOLUTION: 31412

PROBLEM: 9367 @ 9600 @ 289 # 4265 @ 175 @ 6578 @ 93 # 518 # 6184

SOLUTION:
15135