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: 9924 @ 6266 # 7022 # 7976 # 2541 @ 5396

SOLUTION: 4047

PROBLEM: 760 # 5830 # 1090 # 8969 @ 9857 # 9731

SOLUTION:
-15003