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: 7211 # 614 @ 1584 # 4857 # 1495 # 1821 # 2219

A: -2211
****
Q: 7757 # 4475 @ 6447 # 2209 # 9966

A: -2446
****
Q: 5582 @ 6931 @ 2423 @ 176 # 3407 # 5015 @ 7229 @ 9952

A:
23871
****