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: 2863 @ 9899 # 2358

SOLUTION: 10404

PROBLEM: 9161 # 6658 @ 4795 @ 5621 # 1895 # 3766 # 7738 # 570

SOLUTION: -1050

PROBLEM: 5913 # 2079 # 378 @ 7010 # 6902 @ 3977 @ 9845

SOLUTION:
17386