instruction:
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
question:
9645 @ 911 @ 6748 # 3005 # 3625 # 87 @ 3003 # 5587 # 1382
answer:
6621


question:
8441 @ 2924 # 9024 @ 6661 @ 7034 # 4821 # 4921
answer:
6294


question:
4615 # 2137 @ 5419 @ 8892
answer:

16789