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: 4737 # 8536 @ 5633 # 1731 @ 3807 # 520 @ 1622

SOLUTION: 5012

PROBLEM: 486 # 3873 # 1187

SOLUTION: -4574

PROBLEM: 1581 @ 6124 @ 2712 # 8091 @ 3232 # 1506 @ 1572 # 5846

SOLUTION:
-222