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: 6915 @ 3564 # 9197 # 9440 # 1112 @ 382 @ 9681 # 6512 # 9658

Output: -15377

Input: Consider Input: 2678 # 5467 @ 8355 # 3124 # 5654

Output: -3212

Input: Consider Input: 9634 @ 5896 @ 2965 @ 6949 # 2226 @ 9649 # 3599 # 7110
Output: 22158