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: 581 # 2278 @ 452 # 5411 # 7564 @ 8148 # 2350 # 8956 # 4877

SOLUTION: -22255

PROBLEM: 1482 # 6461 @ 804 # 8626 # 8564

SOLUTION: -21365

PROBLEM: 3371 @ 3829 # 7379 # 5402 @ 4747 @ 9701 # 7561

SOLUTION:
1306