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

SOLUTION: 14705

PROBLEM: 1075 @ 2179 @ 2132 @ 6333 @ 8433 # 8868 # 1568 # 5987 # 5042

SOLUTION: -1313

PROBLEM: 720 # 1309 @ 989 @ 1211 # 5749 # 7 @ 3147 # 9792 # 1243

SOLUTION:
-12033