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: 7016 @ 5245 # 3568 # 3445 # 5282 # 7568

Output: -7602

Input: Consider Input: 4039 # 2314 # 8257 # 5828 @ 2387 @ 4250 @ 5479 # 991

Output: -1235

Input: Consider Input: 9006 @ 8673 # 5652 # 1238 @ 5545 @ 7076 # 9832 @ 6692 # 4306
Output: 15964