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: 8625 # 2240 # 8544 @ 9905 @ 7588 @ 9161 @ 3204 @ 4214 # 1175

Output: 30738


Input: Consider Input: 3938 @ 6900 @ 1254 @ 25 # 7237 # 5576 @ 8865 # 8864 @ 1349

Output: 654


Input: Consider Input: 6547 @ 6795 # 9472 @ 9951 # 249 # 7259 # 5482 @ 8421


Output: 9252