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

Input: Consider Input: 4532 @ 5773 @ 2346 @ 6961 # 8280

Output: 11332

Input: Consider Input: 3586 # 8254 # 4130 # 5426

Output: -14224

Input: Consider Input: 1603 @ 6785 @ 824 # 925 # 1688 # 2640 @ 6537
Output: 10496