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: 7806 # 6020 # 4616 @ 3594 # 6312 # 5362 # 4403 @ 3666

Output: -11647

Input: Consider Input: 2095 # 5428 @ 3055 @ 1752 @ 2919 # 3592 # 7407

Output: -6606

Input: Consider Input: 3893 @ 1301 @ 8192 @ 1206 # 6036 @ 1515 # 5992 # 1236 @ 4580
Output: 7423