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: 2416 @ 4557 @ 9089 @ 8858

Output: 24920


Input: Consider Input: 6210 @ 7295 @ 5281 @ 7242 @ 1291 @ 6634 @ 8797


Output: 42750