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: 9056 @ 9894 # 9773 # 4508 # 5642

SOLUTION: -973

PROBLEM: 507 @ 3439 # 8086 # 5497 @ 2145 @ 2124 @ 9603 @ 2119 @ 8351

SOLUTION: 14705

PROBLEM: 2167 # 8760 # 4771 # 8633 @ 7929 @ 9784 @ 6892

SOLUTION:
4608