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: 9049 # 6438 @ 8686 # 910 # 3586

SOLUTION: 6801

PROBLEM: 1664 # 2003 # 3533

SOLUTION: -3872

PROBLEM: 3901 @ 2626 @ 5062

SOLUTION:
11589