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: 64 # 5994 @ 8659 # 885

SOLUTION: 1844

PROBLEM: 4071 # 2406 @ 1349 @ 5528 @ 7426 @ 2448 # 1981 # 7844

SOLUTION: 8591

PROBLEM: 5245 # 4418 @ 690 @ 3949 @ 2566 @ 5517 # 811

SOLUTION:
12738