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

Example Input: 8732 # 4760 @ 9372
Example Output: 13344

Example Input: 507 @ 3439 # 8086 # 5497 @ 2145 @ 2124 @ 9603 @ 2119 @ 8351
Example Output: 14705

Example Input: 808 # 5395 # 5187 @ 8140 @ 2751 @ 1624 # 2083 @ 6224 # 8604
Example Output:
-1722