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: 4364 # 2781 # 7674 # 4801 @ 898 @ 7562 @ 5925 @ 648 @ 7768

SOLUTION: 11909

PROBLEM: 8816 # 8770 # 5004

SOLUTION: -4958

PROBLEM: 5566 # 6003 @ 3950 @ 2056 @ 970

SOLUTION:
6539