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: 4071 # 2406 @ 1349 @ 5528 @ 7426 @ 2448 # 1981 # 7844

Output: 8591

Input: Consider Input: 9646 # 9392 @ 7231 @ 7510 # 4746 # 2757 # 2536 @ 5415 # 2152

Output: 8219

Input: Consider Input: 64 @ 11 @ 8854 # 4838 @ 7748 @ 5164 # 3777 @ 9227
Output: 22453