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: 1380 @ 6582 # 4036

SOLUTION: 3926

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

SOLUTION: 5012

PROBLEM: 2855 # 7247 # 8491

SOLUTION:
-12883