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

Q: 7803 @ 6524 @ 7077 # 1627 # 3959

A: 15818
****
Q: 4809 # 9135 # 3011 # 4393 # 1039 # 3878 @ 1559 # 3798

A: -18886
****
Q: 945 @ 3165 # 7095 # 2799 @ 7353 # 3944 # 6188 @ 8741

A:
178
****
