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: 5640 @ 148 @ 7578 # 2373 # 3438 @ 4775 # 8187

A: 4143
****
Q: 9110 # 7535 @ 8117 # 9919 @ 6813 @ 187 # 5187

A: 1586
****
Q: 3305 @ 7290 # 7983 # 1739

A:
873
****