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: 4844 # 7776 # 6204 # 1027 # 4447 # 7998 # 6045 @ 8611 @ 2765

Output: -17277

Input: Consider Input: 9673 @ 7136 # 4171 # 8296 @ 655

Output: 4997

Input: Consider Input: 287 # 7364 # 4248 @ 1523 @ 471 @ 6066 # 4997 @ 830 # 552
Output: -7984